Lesson:
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Description:
This worksheet contains problems where students will evaluate inverses of trigonometric functions and solve trig equation using inverses. Problems include using a graph to find angles with a given cosine, using the unit circle to find degree measures, using a calculator to find inverses, and solving trig equation using inverse functions and factoring.
Number of Problems:
0
Pages:
0
Answer Key:
No
Samples:
1-3 Use the graph of the inverse of y = cos θ. Find the radian measure(s) of the angle with the given cosine.
4-5 Use the graph of the inverse of y = sin θ. Find the radian measure(s) of the angle with the given sine.
6-8 Use a unit circle and 30°-60°-90° triangles to find the degree measures of the angle.
Use a calculator and inverse functions to find the radian measures of the given angle. Round your answer to the nearest hundredth.
9. angles whose sine is 0.48
10. angles whose tangent is 4.21
Solve the equation for 0 ≤
11. 4cosθ + 1 = 2cosθ
14. 3sinθ = sin θ − 1