Trigonometry Videos
The section numbers below are for the Trigonometry book by Lial, Hornsby, Schneider, & Daniels. If your class is using a different book, just look at the titles instead of the section numbers.
Book Section | Topic | Video Title (ID Number, Author, Length) |
1.1 | Angles | Angles (10191022, Sue Little, 46:01) Introduction to Angles (20251001, Andrea Spalding, 7:06) Coterminal Angles (20251002, Andrea Spalding, 6:38) Finding Coterminal Angles with a Formula (20251003, Andrea Spalding, 3:35) Finding Coterminal Angles of Least Positive Measure (20251004, Andrea Spalding, 3:44) Introduction to Degrees, Minutes, and Seconds (20251005, Andrea Spalding, 6:24) Calculations with Degrees, Minutes, and Seconds (20251015, Andrea Spalding, 3:50) Converting DMS to Decimal Degrees (20251006, Andrea Spalding, 3:04) Converting Decimal Degrees to DMS (20251007, Andrea Spalding, 4:04) Converting Decimals into Minutes I (20121182, Ryan Braatz, 4:03) Converting Decimals into Minutes II (20121183, Ryan Braatz, 1:50) Converting Decimals into Minutes III (20121184, Ryan Braatz, 2:22) Converting Minutes into Decimals I (20121185, Ryan Braatz, 3:08) Converting Minutes into Decimals II (20121186, Ryan Braatz, 3:12) Converting Minutes into Decimals III (20121187, Ryan Braatz, 3:01) Finding All Coterminal Angles (20121202, Ryan Braatz, 2:34) Finding Complementary and Supplementary Angles I (20121204, Ryan Braatz, 2:51) Finding Complementary and Supplementary Angles II (20121205, Ryan Braatz, 2:22) Finding Complementary Angles (20121208, Ryan Braatz, 2:07) Finding Negative Coterminal Angles (20121210, Ryan Braatz, 2:21) Finding Positive and Negative Coterminal Angles I (20121212, Ryan Braatz, 2:25) Finding Positive and Negative Coterminal Angles II (20121213, Ryan Braatz, 3:42) Finding Positive Coterminal Angles (20121216, Ryan Braatz, 1:53) Finding Supplementary Angles (20121218, Ryan Braatz, 3:24) Finding 2 Angles whose Difference is 1 Angle (20121115, Ryan Braatz, 1:11) |
1.2 | Angle Relationships and Similar Triangles | Angle Relationships and Similar Triangles (10191021,Sue Little, 48:58) Properties of Triangles and Similar Triangles (20251008, Andrea Spalding, 16:26) Proving Cosine using Similar Triangles (20121267, Ryan Braatz, 3:03) Proving Sine using Similar Triangles (20121268, Ryan Braatz, 5:00) Similar Triangles I (20121269, Ryan Braatz, 1:55) Similar Triangles II (20121270, Ryan Braatz, 2:12) Similar Triangles III (20121271, Ryan Braatz, 5:13) Similar Triangles IV (20121272, Ryan Braatz, 7:30) Similar Triangles V (20121273, Ryan Braatz, 4:57) |
1.3 | Definitions of Trigonometric Functions and Function Values of the Quadrantal Angles | Definitions of Trigonometric Functions and Function Values of the Quadrantal Angles (10191029, Sue Little, 1:37:51) Intro to the Trigonometric Function Definitions (20251009, Andrea Spalding, 5:12) Using the Trigonometric Function Definitions (20251010, Andrea Spalding, 11:38) Trigonometric Function Values of Quadrantal Angles (20251011, Andrea Spalding, 12:52) Find the Indicated Trigonometric Function Values I (20251012, Andrea Spalding, 4:06) Find the Indicated Trigonometric Function Values II (20251013, Andrea Spalding, 4:11) Basic on Trig Functions (20121114, Ryan Braatz, 2:43) Signs for Cosine and Sine in Quadrants (20121239, Ryan Braatz, 4:43) |
1.4 | Reciprocal Identities | The Reciprocal Identities (10191047, Sue Little, 17:48) Reciprocal Identities (20251014, Andrea Spalding, 9:15) |
1.4 | Ranges of Function Values | Ranges of Function Values (10191048, Sue Little, 22:01) Range Values of the Trigonometric Functions (20251020, Andrea Spalding, 14:18) Basics of Sine (20121220, Ryan Braatz, 5:24) Domain of Cosine (20121221, Ryan Braatz, 3:05) Domain of Sine (20121222, Ryan Braatz, 2:22) Range of Cosine (20121237, Ryan Braatz, 3:05) Range of Sine (20121238, Ryan Braatz, 2:46) Range of Tangent (20121284, Ryan Braatz, 2:29) |
1.4 | Signs of Function Values | Signs of Function Values (10191036, Sue Little, 1:23:23) Signs of the Trigonometric Functions (20251015, Andrea Spalding, 15:31) Looking at Cosine Values (20121234, Ryan Braatz, 2:05) Tangent Values at the Axises (20121285, Ryan Braatz, 3:42) Explaining Tangent Geometrically (20121280, Ryan Braatz, 5:51) Finding Tangent Values (20121281, Ryan Braatz, 4:17) Identifying Tangent (20121282, Ryan Braatz, 1:53) |
1.4 | The Pythagorean Identities and the Quotient Identities | The Pythagorean Identities and the Quotient Identities (10191044, Sue Little, 54:14) Pythagorean Identities (20251016, Andrea Spalding, 5:12) Quotient Identities (20251017, Andrea Spalding, 2:56) Using Identities to find Function Values (20251018, Andrea Spalding, 7:36) Using Trig Function Definitions to Find Function Values (20251019, Andrea Spalding, 13:30) Verifying Pythagorean Identities (20121257, Ryan Braatz, 2:59) |
2.1 | Trigonometric Functions of Acute Angles | Trigonometric Functions of Acute Angles (10191045, Sue Little, 39:49) Right Triangle Based Definitions of the Trig Functions (20251021, Andrea Spalding, 10:45) |
2.1 | Exact Trigonometric Functions of Special Angles | Exact Trigonometric Functions of Special Angles (10191030, Sue Little, 41:08) Special Triangles and the Trig. Function Values of 30, 45, and 60 Degrees (20251022, Andrea Spalding, 13:34) Cofunction Identities (20251023, Andrea Spalding, 6:11) Evaluating Secant at 60 Degrees (20121198, Ryan Braatz, 3:45) Finding the Cosine and Sine of 30 Degrees (20121252, Ryan Braatz, 3:39) Estimating Cosine Values I (20121223, Ryan Braatz, 2:38) Estimating Cosine Values II (20121224, Ryan Braatz, 2:31) Estimating Cosine Values III (20121225, Ryan Braatz, 1:26) Estimating Cosine Values IV (20121226, Ryan Braatz, 1:38) Estimating Sine Values I (20121227, Ryan Braatz, 2:20) Estimating Sine Values II (20121228, Ryan Braatz, 3:15) Estimating Sine Values III (20121229, Ryan Braatz, 2:01) Estimating Sine Values IV (20121230, Ryan Braatz, 1:23) Evaluating Tangent Angles (20121275, Ryan Braatz, 1:40) Evaluating Tangent at the Axises (20121278, Ryan Braatz, 2:44) Evaluating with Negative Tangent Angles (20121279, Ryan Braatz, 2:06) |
2.2 | Trigonometric Functions of Non-Acute Angles | Trigonometric Functions of Non-Acute Angles (10191046, Sue Little, 39:04) Reference Angles (20251024, Andrea Spalding, 13:49) Finding Trig Function Values of Non-Acute Angles Using Reference Angles (20251025, Andrea Spalding, 16:37) Finding Trig Function Values for Any Nonquadrantal Angle (20251026, Andrea Spalding, 7:31) Finding Angle Measures Given an Interval and a Function Value (20251027, Andrea Spalding, 12:27) Reference Angle Families (20251028, Andrea Spalding, 0:58) |
2.3 | Finding Trigonometric Function Values Using A Calculator | Finding Trigonometric Function Values Using A Calculator (10191031, Sue Little, 46:09) Finding Trig function Values Using a Calculator (20251029, Andrea Spalding, 15:01) Finding Cosine values with Calculator I (20121231, Ryan Braatz, 1:54) Finding Cosine values with Calculator II (20121232, Ryan Braatz, 2:25) Finding Sine Values with Calculator (20121233, Ryan Braatz, 4:16) |
2.4 & 2.5 | Solving Right Triangles | Solving Right Triangles (10191042, Sue Little, 57:28) Solving Right Triangles (20251030, Andrea Spalding, 17:35) Definition of the Angle of Elevation and Angle of Depression (20251031, Andrea Spalding, 1:07) Applications of Angles of Elevation and Depression (20251032, Andrea Spalding, 10:39) Applications of Right Triangles (10191024, Sue Little, 45:56) More Applications of Right Triangles (10191033, Sue Little, 1:07:03) Angle of Depression (20121258, Ryan Braatz, 6:09) Angle of Elevation with Similar Triangles (20121259, Ryan Braatz, 7:32) Angle of Elevation (20121260, Ryan Braatz, 2:08) |
3.1 & 3.2 | Radian Measure | Radian Measure (10191035, Sue Little, 57:28) Introduction to Radian Measure (20251033, Andrea Spalding, 7:48) Converting Between Radians and Degrees (20251034, Andrea Spalding, 7:50) Labeling Segments of pi/6 Radians (20251035, Andrea Spalding, 1:45) Labeling Segments of pi/3 Radians (20251036, Andrea Spalding, 0:41) Labeling Segments of pi/4 Radians (20251037, Andrea Spalding, 0:48) Finding Function Values of Radian Measures (20251038, Andrea Spalding, 16:11) Finding Arc Length (20251039, Andrea Spalding, 5:28) Finding the Distance Between Two Cities (20251040, Andrea Spalding, 5:07) Rotating Gears (20251041, Andrea Spalding, 5:18) Pulley Raising a Weight (20251042, Andrea Spalding, 3:47) Applications of Radian Measure (10191023, Sue Little, 40:08) Converting Degrees into Radians I (20121188, Ryan Braatz, 3:54) Evaluating with Radians I (20121199, Ryan Braatz, 5:16) |
3.3 | Circular Functions of Real Numbers | Circular Functions of Real Numbers (10191026, Sue Little, 1:29:49) Circular Function Definitions and the Unit Circle (20251043, Andrea Spalding, 11:43) Using the Unit Circle (20251044, Andrea Spalding, 3:21) Using the Unit Circle to Find Function Values (20251045, Andrea Spalding, 8:18) Using the Calculator in Radian Mode (20251046, Andrea Spalding, 5:53) Using the Unit Circle to Find Angles in Radians Within a Given Interval (20261047, Andrea Spalding, 9:49) |
3.4 | Linear and Angular Velocity | Linear and Angular Velocity (10171086, Myrna Clark, 56:15) Angular Velocity I (20121261, Ryan Braatz, 4:14) Angular Velocity II (20121262, Ryan Braatz, 4:41) Linear Speed I (20121263, Ryan Braatz, 7:03) Linear Speed II (20121264, Ryan Braatz, 8:39) Linear Speed III (20121265, Ryan Braatz, 6:34) Linear Velocity (20121266, Ryan Braatz, 5:45) |
4.1 & 4.2 | Graphing Trig Functions: Sine and Cosine | Graphing Trig Functions Sine and Cosine (20111196, Ellen Turnell, 15:45) Graph of the Sine and Cosine I 10171040, (Myrna Clark, 51:14) Graph of Sine and Cosine II (10171041, Myrna Clark, 30:00) Basic Graph of y = sin x (20251048, Andrea Spalding, 8:57) Basic Graph of y = cos x (20251049, Andrea Spalding, 6:41) Change in Amplitude (20251050, Andrea Spalding, 5:57) Change in Amplitude Examples (20251051, Andrea Spalding, 5:49) Change in Period (20251052, Andrea Spalding, 9:35) Change in Period Examples (20251053, Andrea Spalding, 14:04) Change in Amplitude and Period (20251054, Andrea Spalding, 17:51) Vertical Shift (20251055, Andrea Spalding, 7:37) Phase Shift (20251056, Andrea Spalding, 11:20) Graphing General Sine/Cosine Equations (20251057, Andrea Spalding, 34:39) Graphing Cosine (20121017, Ryan Braatz, 1:38) Graphing Sine (20121018, Ryan Braatz, 2:55) Relationship between Unit Circle and the Sine Function (20121020, Ryan Braatz, 5:32) Using a Calculator to graph Sine, Cosine and Tangent Function (20121022, Ryan Braatz, 5:35) |
4.3 | Graphs of Tangent and Cotangent | Tangent and Cotangent Graphs (20111197, Ellen Turnell, 9:42) Graphs of Tangent and Cotangent (10171042, Myrna Clark, 53:54) Graph of Tangent (20251058, Andrea Spalding, 11:06) Graph of Cotangent (20251059, Andrea Spalding, 4:25) Variations of Tangent and Cotangent (20251060, Andrea Spalding, 21:47) Limits of Tangent (20121019, Ryan Braatz, 4:35) Restrictions and Domain of Tangent (20121021, Ryan Braatz, 3:30) Domain and Range of Cotangent (20121178, Ryan Braatz, 3:25) Domain of Tangent (20121274, Ryan Braatz, 5:23) Finding Phase Shift with Maple II (20121002, Ryan Braatz, 3:39) Finding the Period II (20121008, Ryan Braatz, 1:10) Graphing Trig Functions with Maple II (20121013, Ryan Braatz, 12:25) Graphing Trig Functions with Maple IV (20121015, Ryan Braatz, 10:06) |
4.4 | Graphs of Secant and Cosecant | Secant and Cosecant Graphs (20111198, Ellen Turnell, 8:27) Graphs of Secant and Cosecant (10171039, Myrna Clark, 26:31) Graph of Cosecant (20251061, Andrea Spalding, 11:43) Graph of Secant (20251062, Andrea Spalding, 9:46) Graphing Variations of Secant and Cosecant (20251063, Andrea Spalding, 14:55) Domain and Range of Cosecant (20121177, Ryan Braatz, 3:53) Graphing Secant and Cosecant (20121179, Ryan Braatz, 3:24) Domain and Range of Secant (20121180, Ryan Braatz, 5:01) Using Reciprocal Functions (20121181, Ryan Braatz, 3:25) Vertical Asymptotes of Secant Function (20121165, Ryan Braatz, 4:16) Finding the Period III (20121009, Ryan Braatz, 1:12) |
5.1 | Fundamental Identities | Fundamental Identities (20251064, Andrea Spalding, 20:06) |
5.2 | Proving Trigonometric Identities | Proving Trigonometric Identities (10171062, Myrna Clark, 1:03:14) Verifying Trigonometric Identities (20251065, Andrea Spalding, 44:35) Proving Basic Identities Ex 1 (20121049, Ryan Braatz, 0:24) Proving Intermediate Identities Ex 1 (20121064, Ryan Braatz, 5:52) Proving Complex Identities Ex 1 (20121079, Ryan Braatz, 6:45) |
5.3 | Sum and Difference Identities For Cosine | Sum and Difference Identities For Cosine (10171072, Myrna Clark, 1:03:15) Finding Exact Cosine Values (20251066, Andrea Spalding, 14:38) Reducing cos (A-B) to a Function of a Single Variable (20251067, Andrea Spalding, 7:33) Finding cos (s+t) or cos( s-t) Given Information About s and t (20251068, Andrea Spalding, 12:42) Verifying Identities Using the Sum Identity for Cosine (20251069, Andrea Spalding, 4:40) Finding the Exact Values (20121117, Ryan Braatz, 3:43) Using Difference Identity Cosine I (20121133, Ryan Braatz, 4:46) Using Difference Identity Cosine II (20121134, Ryan Braatz, 3:22) Using Difference Identity Cosine III (20121135, Ryan Braatz, 5:55) Using Difference Identity Cosine IV (20121136, Ryan Braatz, 2:07) Using Difference Identity Cosine V (20121137, Ryan Braatz, 1:16) Using Difference Identity Cosine VI (20121138, Ryan Braatz, 3:56) |
5.4 | Sum and Difference Identities for Sine and Tangent | Sum and Difference Identities for Sine and Tangent (10171073, Myrna Clark, 55:33) Sum and Difference Identities for Sine and Tangent (20251070, Andrea Spalding, 16:24) Finding All Values for Sum and Difference Identities (20121116, Ryan Braatz, 10:13) Finding the Exact Values using Difference Identity I (20121118, Ryan Braatz, 4:05) Finding the Exact Values using Difference Identity II (20121119, Ryan Braatz, 5:15) Finding the Exact Value using the Sum Identity (20121120, Ryan Braatz, 8:29) Using Sum and Difference Identities (20121139, Ryan Braatz, 3:36) |
5.5 | Double-Angle Identities |
Double-Angle Identities (10171027, Myrna Clark, 1:23:36) Double Angle Identities for Cosine (20251071, Andrea Spalding, 7:41) Double Angle Identities for Sine and Tangent (20251072, Andrea Spalding, 2:08) Using the Double Angle Identities to Simplify Expressions (20251073, Andrea Spalding, 8:39) Solving for cos(2x) and sin(2x) Values Using Double Angle Identities (20251074, Andrea Spalding, 9:56) Solving for cos(x) and sin(x) Values Using Double Angle Identities (20251075, Andrea Spalding, 9:04) Verify Identities That Require Use of Double Angle Identities (20251076, Andrea Spalding, 7:44) Double Angles I (20121032, Ryan Braatz, 3:01) Double Angles II (20121033, Ryan Braatz, 1:59) Double Angles III (20121034, Ryan Braatz, 3:11) Double Angles IV (20121035, Ryan Braatz, 12:02) Double Angles V (20121036, Ryan Braatz, 5:49) |
5.6 | Half-Angle Identities | Half-Angle Identities (10171043, Myrna Clark, 47:17) Half-Angle Identities (20251077, Andrea Spalding, 22:22) Half Angles I (20121037, Ryan Braatz, 5:48) Half Angles II (20121038, Ryan Braatz, 10:39) Half Angles III (20121039, Ryan Braatz, 12:01) Half Angles IV (20121040, Ryan Braatz, 9:25) Half Angles V (20121041, Ryan Braatz, 2:39) Using Double and Half Angle (20121045, Ryan Braatz, 8:21) |
6.1 | Inverse Trig Functions | Inverse Trig Functions (10171049, Myrna Clark, 1:16:37) Review of Inverse Functions (20251078, Andrea Spalding, 9:51) Inverse Sine Function (20251079, Andrea Spalding, 6:19) Inverse Cosine Function (20251080, Andrea Spalding, 3:46) Inverse Tangent Function (20251081, Andrea Spalding, 3:12) Finding Inverse Trigonometric Function Values (20251082, Andrea Spalding, 11:06) Finding Function Values Using Trig Function Definitions (20251083, Andrea Spalding, 6:39) Finding Function Values Using Identities (20251084, Andrea Spalding, 6:54) Domain and Range of Arcsine (20121046, Ryan Braatz, 4:10) Graphing Sine and Arcsine (20121047, Ryan Braatz, 3:46) Graphing Sine and Arcsine with Maple (20121048, Ryan Braatz, 3:19) Graphing the Arcsine Function (20121163, Ryan Braatz, 10:36) Finding Angles using the Inverse I (20121147, Ryan Braatz, 5:26) Finding Angles using the Inverse II (20121148, Ryan Braatz, 4:59) Finding Angles using the Inverse III (20121149, Ryan Braatz, 2:51) Finding Angles using the Inverse IV (20121150, Ryan Braatz, 6:49) Finding Angles using the Inverse V (20121151, Ryan Braatz, 2:35) Finding Angles using the Inverse VI (20121152, Ryan Braatz, 3:49) Finding Angles using the Inverse VII (20121245, Ryan Braatz, 4:45) |
6.2 & 6.3 | Solving Trigonometric Equations | Solving Trigonometric Equations (10171089, Myrna Clark, 1:20:26) Solving Trigonometric Equations with Multiple Angles (10171090, Myrna Clark, 54:08) Solving Trig Equations, # 1-6 (20111199, Ellen Turnell, 15:25) Solving Trig Equations # 7-9 (20111200, Ellen Turnell, 9:43) Solving Trig Equations with Identities # 1-4 (20111201, Ellen Turnell, 17:25) Solving Trig Equations with Identities # 5-11 (20111202, Ellen Turnell, 15:35) Overview of Methods Used to Solve Trigonometric Equations (20251085, Andrea Spalding, 5:15) Solving Basic Trig Equations Ex 1 (20121097, Ryan Braatz, 4:14) Solving Intermediate Trig Equations Ex 1 (20121102, Ryan Braatz, 4:25) |
7.1 & 7.2 | Law of Sines | Law of Sines (10171051, Myrna Clark, 1:03:42) Law of Sines (20151095, Andrea Spalding, 26:07) The Ambiguous Case of the Law of Sines (20251096, Andrea Spalding, 34:02) Law of Sines Ambiguous Cases (One Solution) (20121168, Ryan Braatz, 8:57) Law of Sines Ambiguous Cases (Two Solutions and No Solutions) (20121169, Ryan Braatz, 9:04) Law of Sines I (20121170, Ryan Braatz, 9:27) Law of Sines II (20121171, Ryan Braatz, 6:36) Law of Sines III (20121172, Ryan Braatz, 5:55) Law of Sines IV (20121173, Ryan Braatz, 8:09) Law of Sines V (20121174, Ryan Braatz, 12:55) Law of Sines VI (20121175, Ryan Braatz, 5:53) Proving Law of Sines (20121176, Ryan Braatz, 5:26) |
7.3 | Law of Cosines | Law of Cosines (10171050, Myrna Clark, 38:11) Properties of Triangles (20251097, Andrea Spalding, 5:24) Introduction to the Law of Cosines (20251098, Andrea Spalding, 13:12) Overview of Steps to Solve Oblique Triangles (20251099, Andrea Spalding, 2:02) Solving Oblique Triangles Given SSS (20251101, Andrea Spalding, 17:48) Solving Oblique Triangles Given SAS (20251102, Andrea Spalding, 16:00) Law of Cosine I (20121166, Ryan Braatz, 9:30) Law of Cosine II (20121167, Ryan Braatz, 4:23) |
7.4 & 7.5 |
Vectors | Basics of Vectors (20111182, Ellen Turnell, 12:28) Magnitude and Direction of Vectors (20111183, Ellen Turnell, 17:58) Vectors and Applications (10171092, Myrna Clark, 43:48) |
8.1 | Complex Numbers | Complex Numbers (10191028, Sue Little, 43:09) |
8.2 | Trigonometric Form of Complex Numbers | Trigonometric Form of Complex Numbers (10171091, Myrna Clark, 37:14) |
8.3 | Product and Quotient Theorems | Product and Quotient Theorems (10171088, Myrna Clark, 32:29) |
8.4 | Powers and Roots of Complex Numbers | Powers and Roots of Complex Numbers (10171087, Myrna Clark, 46:21) |
Product to Sum | Product to Sum I (20121090, Ryan Braatz, 1:38) Product to Sum II (20121091, Ryan Braatz, 1:05) Product to Sum III (20121092, Ryan Braatz, 1:00) Product to Sum IV (20121093, Ryan Braatz, 1:25) Product to Sum V (20121094, Ryan Braatz, 1:05) Product to Sum Proof I (20121095, Ryan Braatz, 4:03) Product to Sum Proof II (20121096, Ryan Braatz, 3:29) |
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Sum/Difference to Product | Difference to Product of Cosine (20121140, Ryan Braatz, 0:59) Difference to Product of Sine (20121141, Ryan Braatz, 2:54) Sum to Product Cosine (20121144, Ryan Braatz, 2:03) Sum to Product Sine (20121145, Ryan Braatz, 2:01) |
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Sinusoidal Functions | Finding the Sinusoidal Function (20121286, Ryan Braatz, 14:43) | |
Finding All Values | Finding All Values of Theta I (20121240, Ryan Braatz, 2:38) Finding All Values of Theta II (20121241, Ryan Braatz, 3:09) Finding All Values of Theta III (20121242, Ryan Braatz, 6:28) Finding All Values of Theta IV (20121243, Ryan Braatz, 4:11) Finding All Values of Theta V (20121244, Ryan Braatz, 2:16) Finding Other Functions Values Given One Value I (20121246, Ryan Braatz, 4:45) Finding Other Functions Values Given One Value II (20121247, Ryan Braatz, 2:42) Finding Other Functions Values Given One Value III (20121248, Ryan Braatz, 6:07) Finding Other Functions Values Given One Value IV (20121249, Ryan Braatz, 5:04) Finding Other Functions Values Given One Value V (20121250, Ryan Braatz, 7:03) Finding Other Functions Values Given one Value VI (20121251, Ryan Braatz, 4:26) |
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Proofs | Proving Pythagorean Identities I (20121253, Ryan Braatz, 3:26) Proving Pythagorean Identities II (20121254, Ryan Braatz, 1:34) Proving Pythagorean Identities III (20121255, Ryan Braatz, 1:10) Proving Pythagorean Identities IV (20121256, Ryan Braatz, 6:07) Proving Double Angle Identities I (20121042, Ryan Braatz, 3:31) Proving Double Angle Identities II (20121043, Ryan Braatz, 10:48) Proving Half Angle Identities (20121044, Ryan Braatz, 0:54) Double Angle Proof of Cosine (20121030, Ryan Braatz, 3:19) Double Angle Proof of Sine (20121031, Ryan Braatz, 2:10) Proving Cosine as an Even Function (20121235, Ryan Braatz, 2:57) Proving Sine as an Odd Function (20121236, Ryan Braatz, 2:32) Proving the Tangent Identity (20121283, Ryan Braatz, 4:29) Proof of Difference Identity Cosine (20121121, Ryan Braatz, 11:41) |
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Final Review | Final Review Problems 1-8 (20121024, Ryan Braatz, 16:24) Final Review Problems 10-15 (20121025, Ryan Braatz, 15:49) Final Review Problems 16-19 (20121026, Ryan Braatz, 14:23) Final Review Problems 20-25 (20121027, Ryan Braatz, 13:49) Final Review Problems 28-29 (20121028, Ryan Braatz, 15:53) Final Review Problem 30 (20121029, Ryan Braatz, 19:36) |
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