### Home > CCA2 > Chapter 12 > Lesson 12.2.1 > Problem12-92

12-92.

Solve for $x$ in degrees. Homework Help ✎

1. $2$ sin $(x) = 1$

Isolate sin(x).
sin$(x) =$ 1/2

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

1. cos$^2$$(x) + 4$ cos $(x) + 4 = 0$

Let $U =$ cos $(x)$ to begin.

No solution.