If $\int_0^{\frac{\pi}{3}} \cos^4 x \, dx = a\pi + b\sqrt{3}$, where $a$ and $b$ are rational numbers, then $9a + 8b$ is equal to: (1) 2 (2) 1 (3) 3 (4) $\frac{3}{2}$
If $\int_0^{\frac{\pi}{3}} \cos^4 x \, dx = a\pi + b\sqrt{3}$, where $a$ and $b$ are rational numbers, then $9a + 8b$ is equal to:\\
(1) 2\\
(2) 1\\
(3) 3\\
(4) $\frac{3}{2}$