Question

$∫^{\frac{π}{3}} _0$ $cos^4x$ $dx$ is equal to a $\pi + b\sqrt3$, then $a^2 + b$ is equal to:

• A. $\frac{1}{2}$
• B. $\frac{1}{8}$
• C. $\frac{1}{4}$
• D. $1$

Answer 1

Answer: (B)

$\frac{1}{8}$

Answer 2

The Correct Option is (B): $\frac{1}{8}$