Question

The sum of solutions of the equation cos$\frac{cos\,x}{1+sin\,x}$=|tan 2x|,x$\in$($-\frac{\pi}{2},\frac{\pi}{2}$)-($-\frac{\pi}{4},\frac{\pi}{4}$) is:

• A. $-\frac{11\pi}{6}$
• B. $\frac{\pi}{10}$
• C. $-\frac{7\pi}{30}$
• D. $-\frac{\pi}{15}$

Answer 1

Answer: (A)

$-\frac{11\pi}{6}$

Answer 2

The correct answer is option (A) : $-\frac{11\pi}{6}$