Question

WILL MARK BRAINLIEST + 10 POINTS #14

Answer 1

This question is asking "Where does cosine equal $\frac{\sqrt{3}}{2}$?"

Based on our unit circle values and the domain of the cos^{-1} function, we see that at 30 degrees, or $\frac{\pi}{6}$, cosine is equal to $\frac{\sqrt{3}}{2}$.