Question

$\int\limits_{0}^{\frac{\pi}{2}}\sqrt{\sin \theta}\cos^3\theta\ d\theta$ is equal to

• A. $\frac{8}{23}$
• B. $\frac{8}{21}$
• C. $\frac{7}{23}$
• D. $\frac{7}{21}$

Answer 1

Answer: (B)

$\frac{8}{21}$

Answer 2

The correct answer is (B) : $\frac{8}{21}$.