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Plane and Spherical Trigonometry – Class 3

Derek Owens

Lessons

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Lesson 1: Introduction to the Trigonometry Lessons

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Lesson 2: History of Trigonometry

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Lesson 3: Notation and Definitions

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Lesson 4: Algebra 2 11.02b – Examples

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Lesson 5: Tangent Ratios for Particular Angles

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Lesson 6: Tangent Ratio for Other Angles

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Lesson 7: Tangent on the Calculator

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Lesson 8: Inverse Tangent Part 1

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Lesson 9: Inverse Tangent Part 2

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Lesson 10: The Unit Circle

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Lesson 11: A Right Triangle on the Unit Circle

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Lesson 12: The Tangent Ratio on the Unit Circle

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Lesson 13: Three Examples

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Lesson 14: Tangent for Angles Greater than 90

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Lesson 15: Solving Problems with the Tangent Ratio

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Lesson 16: Example – Finding the Angle

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Lesson 17: Algebra 2 11.05c – Example with Pythagorean Theorem

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Lesson 18: Algebra 2 11.05d – Examples 5 – 7

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Lesson 19: Algebra 2 11.05e – Examples 8 – 9

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Lesson 20: Algebra 2 11.05f – Practice Problems 1 – 4

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Lesson 21: Algebra 2 11.05g – Practice Problems 5 – 7

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Lesson 22: Algebra 2 11.06a – The Sine Ratio

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Lesson 23: Algebra 2 11.06b – The Cosine Ratio

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Lesson 24: Algebra 2 11.07a – 45-45-90 Triangle

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Lesson 25: Algebra 2 11.07b – 30-60-90 Triangles

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Lesson 26: Algebra 2 11.07c – Sine and Cosine for Other Angles

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Lesson 27: Algebra 2 11.07d – Sine and Cosine for Other Angles

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Lesson 28: Algebra 2 11.07e – A Useful Mnemonic

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Lesson29: Algebra 2 11.07f – Sine and Cosine on the Calculator\

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Lesson 30: Algebra 2 11.07g – Inverse Sine and Inverse Cosine

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Lesson 31: Algebra 2 11.07h – Examples 5 – 6

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Lesson 32: Algebra 2 11.07i – Examples 7 – 8

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Lesson 33: Algebra 2 11.07j – Trig Tables

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Lesson 34: Algebra 2 11.08a – Sine and Cosine on the Unit Circle

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Lesson 35: Algebra 2 11.08b – Sine and Cosine on the Unit Circle

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Lesson 36: Algebra 2 11.08c – Angles in any Quadrant

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Lesson 37: Algebra 2 11.08d – Quadrantal Angles

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Lesson 38: Algebra 2 11.09a – Solving Problems – Examples 1 – 2

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Lesson 39: Algebra 2 11.09b – Solving Problems – Examples 3 – 4

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Lesson 40: Algebra 2 11.09c – Navigation and Orienteering

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Lesson 41: Algebra 2 11.09d – Example 7

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Lesson 42: Algebra 2 11.09e – Example 8

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Lesson 43: Algebra 2 11.09f – Example 9

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Lesson 44: Algebra 2 11.09g – Example 10

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Lesson 45: Algebra 2 11.09h – Examples 11 – 13

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Lesson 46: Algebra 2 11.09i – Examples 14 – 16

Lesson 47: Algebra 2 11.09j – Examples 17 – 18

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Lesson 48: Algebra 2 11.10a – Non-Trivial Problems – Example 1

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Lesson 49: Algebra 2 11.10b – Example 2

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Lesson 50: Algebra 2 11.10c – Example 3

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Lesson 51: Algebra 2 11.10d – Example 4

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Lesson 52: Algebra 2 11.10f – Practice Problem 2