📐 AP Precalculus Portal
Direct MP4 Video Streams, Lesson Archives & Worksheet Answer Keys
Unit 1 - Unit Circle
12 Videos • 4 Worksheets
📄 Worksheets & Solution Keys
Official Trig Identities Sheet
Worksheet A (Angular & Linear Speed)
Worksheet B (Extra Quiz Practice)
Worksheet C (Reference Angles)
Worksheet D (Test Review)
🎥 Lesson Video Streams
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Video 1: AccPreCalc Unit 4 Lesson 1 (Standard Position, Radians, Coterminal Angles)
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Video 1: 1.2a Coterminal Angles
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Video 2: 1.2b Complementary & Supplementary in Radians and Degrees
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Video 3: 1.2c Converting Between Radians and Degrees
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Video 1: 1.3 Unit Circle
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Video 2: Unit 1 Lesson 3: Part 2 - Angular & Linear Speed
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Video 1: 1.4 Angular Speed and Linear Speed
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Video 1: 1.5a Trig Functions on Unit Circle
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Video 2: 1.5b Exact Values on Unit Circle
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Video 1: 1.6 Trig Ratios In Quadrant System
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Video 1: 1.7a How to find the reference angle (16 Examples)
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Video 2: 1.7b Finding Angles in Quadrants
Unit 2 - Graphing Trigonometric Functions
12 Videos • 6 Worksheets
📄 Worksheets & Solution Keys
Worksheet A - Graphing Sine & Cosine
Worksheet B - Graphing Secant & Cosecant
Worksheet C - Graphing Tangent & Cotangent
Worksheet D - Writing Equations from Graphs
Worksheet E - Test Review
Worksheet F - Harmonic Application Problems
🎥 Lesson Video Streams
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Video 1: Unit 2, Lesson 1, Part 0: Graph, domain, and range of sine function | Trigonometry | Khan Academy
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Video 2: Unit 02 - Lesson 1: Video 2 (ScreenPal)
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Video 3: Unit 02 - Lesson 1: Video 3 (ScreenPal)
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Video 4: Unit 02 - Lesson 1: Video 4 (ScreenPal)
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Video 5: Unit 02 - Lesson 1: Video 5 (ScreenPal)
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Video 6: 2.1a Graph Sine & Cosine Part 2
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Video 7: 2.1b Graph Sine Cosine Part 3
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Video 8: 2.1c Graph Sine & Cosine Part 4
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Video 9: 2.1d Graphing Cosine Example
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Video 10: Unit 02 - Lesson 1: Video 10 (ScreenPal)
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Video 1: 2.2 Graphing Secant and Cosecant
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Video 1: 2.4 Writing Sinusoidal Equations
Unit 3 - Inverse & Composite Trigonometric Functions
13 Videos • 8 Worksheets
📄 Worksheets & Solution Keys ⚡ Public / No Login Required
Worksheet A - Evaluating Inverse Trig Functions
Worksheet B - Evaluating Arc Trig Functions
Worksheet C - Applications of Inverse Trig Functions
Worksheet D - Test Review
Worksheet B - Applications of Oblique Triangles
Worksheet C - Extra Practice with SSA (Law of Sines)
Worksheet D - More Practice with Oblique Triangles
Worksheet E - Review Problems
🎥 Lesson Video Streams
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Video 1: Unit 3 Lesson 1: Review of Inverses (from Algebra)
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Video 2: Unit 3 Lesson 1: Review of Rational Zero Test (Solving Polynomials using Synthetic Division)
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Video 3: Unit 3 Lesson 2: Evaluating Arctrig functions
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Video 4: Unit 3 Lesson 3: Composite Trig Expressions (Part 1)
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Video 5: Unit 3 Lesson 3: Composite Inverses - Numeric Only Examples (Part 2)
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Video 6: Unit 3 Lesson 3: Composite Inverses - Variable Ratios Examples (Part 3)
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Video 7: Unit 3 Lesson 4: Pythagorean Theorem & Reciprocal Identities
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Video 8: Unit 3 Lesson 4: Trig & Inverse Trig Functions
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Video 9: Unit 3 Lesson 4: Area of a Triangle - SAS Formula and Heron's Formula
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Video 10: Unit 3 Lesson 5: Intro to Oblique Triangles and the Law of Cosines
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Video 11: Unit 3 Lesson 6: Law of Sines
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Video 12: Unit 3 Lesson 7: Ambiguous Case of the Law of Sines
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Video 13: Unit 3 Lesson 7: Worked Out Example - 2-Triangle Ambiguous Case (Mr. O'Connor)