Multiple Choice (A) (B) (C) (D) (E)
Chapter 4, Problem 4.1.1.620(choose chapter or problem)
You should answer these questions without using a calculator.
Multiple Choice \(\cos ^{-1}\left(-\frac{\sqrt{3}}{2}\right)=\)
(A) \(-\frac{7 \pi}{6}\)
(B) \(-\frac{\pi}{3}\)
(C) \(-\frac{\pi}{6}\)
(D) \(\frac{2 \pi}{3}\)
(E) \(\frac{5 \pi}{6}\)
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