evaluate. write your answer in simplified, rationalized form. do not round. cos 30° =
evaluate. write your answer in simplified, rationalized form. do not round. cos 30° =
Answer
Explanation:
Step1: Recall cosine value
We know from the unit - circle or 30 - 60 - 90 triangle relationships that $\cos30^{\circ}=\frac{\sqrt{3}}{2}$.
Answer:
$\frac{\sqrt{3}}{2}$