### Home > CCA2 > Chapter Ch12 > Lesson 12.1.3 > Problem 12-43

12-43.

Solve each equation for *one* answer.

Use inverse sine on your calculator to find one solution.

sin^{−1}*θ*It should tell you the answer is

. Draw a unit circle to find the other angle that makes sin(

*θ*). The sine function is positive in quadrants I and II, so draw a reference angle of in each quadrant.

Follow the steps in part (a).

First solve the equation for tan(

*θ*).

tan(*θ*). Follow the steps in part (a).

and

First solve the equation for sin(

*θ*).Follow the steps in part (a). There are

solutions.