Solving Trigonometric Equations

Question 1

What are all the exact solutions of ? Give your answer in radians.

Revolt · Accepted Answer

and

Question 2

Which is equivalent to ? Give your answer in radians.

Revolt · Accepted Answer

mc007-5.jpg

Question 3

Which is equivalent to sin-1(–0.4)? Round your answer to the nearest hundredth of a radian.

Revolt · Accepted Answer

–0.41

Question 4

What are all the exact solutions of for ? Give your answer in radians.

Revolt · Accepted Answer

, and

Question 5

What are all the exact solutions of on the interval ? Give your answer in radians.

Revolt · Accepted Answer

mc013-6.jpg

Question 6

Which is equivalent to sin-1(0)? Give your answer in radians.

Revolt · Accepted Answer

0

Question 7

Which is a solution of ? Give your answer in radians.

Revolt · Accepted Answer

mc014-2.jpg

Question 8

Which is equivalent to sin-1(0.75)? Round your answer to the nearest hundredth of a radian.

Revolt · Accepted Answer

0.85

Question 9

Which equation should be used to graph on a calculator?

Revolt · Accepted Answer

mc012-5.jpg

Question 10

Which is equivalent to cos-1(0.17)? Round your answer to the nearest hundredth of a radian.

Revolt · Accepted Answer

1.40

Solving Trigonometric Equations Answers