### Home > APCALC > Chapter 1 > Lesson 1.3.2 > Problem 1-116

1-116.

Calculus problems often require using one or more of the trigonometric identities to solve problems. Solve each of the following equations on the interval

Simplify the left side of the equation to solve for

. ; ; Use the unit circle to solve for

.

See part (a).

See part (a).

See part (a).