Q. $\tan{\left( \frac{\pi}{4} + \frac{1}{2}\cos^{- 1}x \right) + \tan{\left( \frac{\pi}{4} - \frac{1}{2}\cos^{- 1}x \right),x \neq 0}}$ is equal to
A) $x$
B) $2x$
C) $\frac{2}{x}$
D) None of these
Explanation
The correct answer is Option C: $\frac{2}{x}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.