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Solving Trigonometric Equations (3 of 5: Using the unit circle)
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Classroom Contents
Trigonometric Functions and Identities
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- 1 Trig Expansions - Basic Results (1 of 2)
- 2 Solving Trigonometric Equations (1 of 2)
- 3 Solving Trigonometric Equations (2 of 2)
- 4 Trig Expansions - Basic Results (2 of 2)
- 5 Trig Expansions Question: Better Approach
- 6 Trig Expansions Question: Flawed Approach
- 7 Half-Angle Results
- 8 Proving Simple Trigonometric Identities
- 9 Solving Simple Trigonometric Equations
- 10 Tricky Trigonometric Equation - Solving w/ Expansions
- 11 Graphing Reciprocal Trigonometric Functions (1 of 2: Cosecant)
- 12 Graphing Reciprocal Trigonometric Functions (2 of 2: Cotangent)
- 13 Determining Trigonometric Functions from other Function Values (1 of 3: Introductory Explanation)
- 14 Determining Trigonometric Functions from other Function Values (2 of 3: Further Examples)
- 15 Determining Trigonometric Functions from other Function Values (3 of 3: Algebraic Example)
- 16 Trigonometric Identities & the Magic Hexagon (1 of 2: Reciprocals and Quotients)
- 17 Trigonometric Identities & the Magic Hexagon (2 of 2: Even More Relationships!)
- 18 Expressions vs. Equations vs. Identities
- 19 How to Prove Trigonometric Identities (and how not to)
- 20 Proving a Trigonometric Identity where both sides seem simplified
- 21 Solving Trigonometric Equations (1 of 4: Simplest Example)
- 22 Solving Trigonometric Equations (2 of 4: Negative & Unusual Domains)
- 23 Solving Trigonometric Equations (3 of 4: Squared Functions)
- 24 Solving Trigonometric Equations (4 of 4: Adjusted Frequency & Phase)
- 25 Harder Trigonometric Equations (1 of 3: Equations Reducible to Quadratics)
- 26 Harder Trigonometric Equations (2 of 3: Messy Solutions)
- 27 Harder Trigonometric Equations (3 of 3: Pairing, Dividing by Cosine, and a Trap)
- 28 Preliminary Extension 1 Assorted Quiz (#4: More Trig Identities)
- 29 Trigonometric Identities & Sneaky Absolute Values
- 30 Angle Sum Identities (Reviewing the Data Sheet and deriving other useful identities from given ones)
- 31 Solving Trigonometric Equations (1 of 5: Overview)
- 32 Solving Trigonometric Equations (2 of 5: Using quadrants)
- 33 Solving Trigonometric Equations (3 of 5: Using the unit circle)
- 34 Solving Trigonometric Equations (4 of 5: Using graphs)
- 35 Solving Trigonometric Equations (5 of 5: Expanding on the graphing method)
- 36 Trigonometric Identities (1 of 3: Reciprocals, Ratios & Complements)
- 37 Trigonometric Identities (2 of 3: Pythagorean Relationships)
- 38 Trigonometric Identities (3 of 3: Example proofs)
- 39 Trigonometric Identity Proofs (1 of 2: Overall strategies)
- 40 Trigonometric Identity Proofs (2 of 2: Problem types & techniques)
- 41 Harder Trigonometric Equations (1 of 3: Introductory examples)
- 42 Harder Trigonometric Equations (2 of 3: Modified Trig Functions)
- 43 Harder Trigonometric Equations (3 of 3: Trig Identities)
- 44 Y11 Maths Ext 1 Quiz (1 of 3: Trigonometric Exact Values, Trig Equations)
- 45 Find tan(θ-180°) given 3cosθ+2=0
- 46 Equation Reducible to a Quadratic (Trigonometric Substitution)
- 47 Introduction to Trigonometric Expansions (1 of 3: Why do they matter?)
- 48 Introduction to Trigonometric Expansions (2 of 3: How do we derive them?)
- 49 Introduction to Trigonometric Expansions (3 of 3: Using them to prove identities)
- 50 Trigonometric Identity Proof - example test question
