Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles39m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
6. Trigonometric Identities and More Equations
Solving Trigonometric Equations Using Identities
Multiple Choice
Multiple ChoiceFind all solutions to the equation where 0 ≤ θ ≤ 2π.
sinθcos(2θ)−sin(2θ)cosθ=22
A
θ=45π,47π
B
θ=4π,43π
C
θ=45π+2πn,47π+2πn
D
θ=43π,47π
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