|  | "Triggy" (Tricky) Half Angle Radical Rationalizing Problem from Section 5.6 - Problem Answered (Sorry, as it is a bit sloppy) | 6/16/2022 4:25 PM | 72 KB
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|  | "Triggy" (Tricky) Half Angle Radical Rationalizing Problem from Section 5.6 - Problem Posed | 6/16/2022 4:23 PM | 27 KB
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|  | 15-75-Degree Right Triangle (v1 and v2) Sidelength Ratios | 3/11/2019 4:42 PM | 89 KB
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|  | 15degree-75degree-Right Triangle Basic 3 Trigonometric Ratios (Sine, Cosine & Tangent) | 1/27/2015 5:43 PM | 98 KB
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|  | Angle Sum and Difference vs Half Angle Identity Comparison - Tangent of 105 degrees | 6/16/2022 4:11 PM | 76 KB
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|  | Angle Sum Identities for the Sine and Cosine Functions - Proof by Diagram | 6/20/2018 11:58 AM | 91 KB
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|  | Angle Sum Worksheet For New Special Angles With 15degree-75degree - Right Reference Triangles - Degrees - Tabular Form | 10/3/2018 4:28 PM | 114 KB
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|  | Angle Sum Worksheet For New Special Angles With 15degree-75degree - Right Reference Triangles.doc | 6/20/2018 12:01 PM | 195 KB
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|  | Angle Sum Worksheet For New Special Angles With Pi-Twelths-5PiTwelths- Right Reference Triangles - Radians - Tabular Form | 10/3/2018 4:29 PM | 111 KB
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|  | Calculus In Motion - Angle Sums - (Requires GSP - Geometer's Sketchpad) | 6/16/2022 8:02 PM | 90 KB
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|  | Challenging Half Angle problem with generalization including applicable Algebra shown | 11/3/2022 5:22 PM | 596 KB
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|  | Comparing Answers for Expressing a Trigonometric Ratio - First Using a Sum Angle Identity, then Using a Half Angle Identity | 7/24/2024 2:11 PM | 232 KB
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|  | Complementary Function (Co-Function), Sine, Cosine & Tangent, Sum & Difference, Double Angle and Half Angle Identities | 5/2/2022 2:54 PM | 295 KB
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|  | Cosine and Sine Angle Sum Identity Proof By Diagram - Set Up | 6/20/2018 12:03 PM | 28 KB
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|  | Double Angle Fun with Pythagorean Triples | 7/24/2024 2:13 PM | 18 KB
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|  | Double Angle Fun with Pythagorean Triples | 7/24/2024 2:13 PM | 59 KB
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|  | Double Angle Fun with Pythagorean Triples - Pt. 2 | 7/26/2024 7:10 PM | 20 KB
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|  | Double Angle Fun with Pythagorean Triples - Pt. 2 | 7/26/2024 7:11 PM | 133 KB
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|  | Double Angle Identities for the Sine, Cosine & Tangent Functions - Proofs (with Cosine Double Angle Proofs Corrected) | 2/7/2024 1:22 PM | 127 KB
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|  | Fundamental Trigonometric Identities | 7/19/2021 1:56 PM | 90 KB
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|  | Half Angle Identity Problem with Numbers, then the same type of Problem Generalized | 7/24/2024 2:12 PM | 611 KB
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|  | Half Angle Identity Proofs | 7/28/2024 3:34 PM | 114 KB
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|  | Half Angle Problem | 6/17/2022 1:30 PM | 861 KB
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|  | Lial Precalculus - Section7.3 - Problem Number 11 - Solution with Appropriate Reference Triangles Drawn | 6/17/2022 1:28 PM | 443 KB
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|  | Sine Angle Sum Identity Proof By Diagram - Set Up | 6/20/2018 12:03 PM | 290 KB
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|  | Sine, Cosine & Tangent Angle Difference Identity Proofs - Using the Sine, Cosine & Tangent Angle Sum Identities, Even/Odd Function Identities, and the Definition of Subtraction | 7/24/2022 6:49 PM | 80 KB
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|  | Sine, Cosine,Tangent Sum Problem | 6/17/2022 1:37 PM | 2399 KB
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|  | Some Trigonometric Identities - A Glimpse into a Direct Method of Mathematical Proof | 12/8/2016 11:11 AM | 92 KB
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|  | tan[cos-1(-40/41)+sin-1(15/17)] = 528/455 | 2/2/2021 8:55 PM | 497 KB
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|  | Tangent Angle Sum Identity Proof - Using the Sine & Cosine Angle Sum Identities, Reciprocal & Quotient Identities, and Properties of Complex Fractions/Rational Expressions | 7/24/2022 6:48 PM | 78 KB
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|  | Trigonometric Identities Visualized through a Single Point on the Unit Circle and a Tangent Line Segment at the Point (1,0) | 3/23/2019 3:32 PM | 190 KB
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|  | Various Sum & Difference Identity Problems from Past Trig & Precalculus Quizzes & Tests | 7/16/2024 2:12 PM | 375 KB
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|  | Verifying Trigonometric Identities - Lial Precalculus Section 7.2 -Problem Number 64 | 6/17/2022 1:42 PM | 66 KB
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|  | Verifying Trigonometric Identities Hint Cheat Sheet | 6/16/2022 4:26 PM | 167 KB
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