Question

The solutions of the equation $cos\theta=2-3sin(\frac{\theta}{2})\ in\ the\ interval\ 0\leq\theta\leq\pi\ are$

• A. $\frac{\pi}{4},\pi$
• B. $\frac{\pi}{3},\frac{\pi}{2}$
• C. $\frac{\pi}{3},\pi$
• D. $\frac{\pi}{6},\frac{\pi}{2}$
• E. $\frac{\pi}{6},\pi$

Answer 1

Answer: (C)

$\frac{\pi}{3},\pi$

Answer 2

The correct option is (C) : $\frac{\pi}{3},\pi$