Question

The value of $\int\limits^{\frac{1}{2}}_{-\frac{1}{2}}\cos^{-1}x\ dx$ is

• A. π
• B. $\frac{\pi}{2}$
• C. 1
• D. $\frac{\pi^2}{2}$

Answer 1

Answer: (B)

$\frac{\pi}{2}$

Answer 2

The correct answer is (B) : $\frac{\pi}{2}$.