### Home > INT3 > Chapter 12 > Lesson 12.2.1 > Problem 12-77

12-77.

Solve for .

Isolate

. Use the unit circle to help you find the values that solve the equation.

Let

to begin.No solution.

12-77.

Solve for .

Isolate

. Use the unit circle to help you find the values that solve the equation.

Let

to begin.No solution.