Question 55 Answer and Explanation _ACT OG2 Form 2MC Math Section

Question 55 Answer and Explanation _ACT OG2 Form 2MC Math Section

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55. If the value, to the nearest thousandth, of cos θ is -0.385, which of the following could be true about θ ?

A. $0\leq\theta<\frac{\pi}{6}$

B. $\frac{\pi}{6}\leq\theta<\frac{\pi}{3}$

C. $\frac{\pi}{3}\leq\theta<\frac{\pi}{2}$

D. $\frac{\pi}{2}\leq\theta<\frac{2\pi}{3}$

E. $\frac{2\pi}{3}\leq\theta\leq\pi$

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation