Cos(7π/6)= a. 1/2 b.-1/2 c.√3/2 d.-√3/2 Help please?

Question

asked May 21, 2021 38.9k views

2 Answers

Lbsn · Answer 1 · 2021-05-26T23:05:00+0000

Answer:

D. -√3/2

Explanation:

Remember your unit circle.

Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.