indefinite-integration

Question: $\int_{{}}^{{}}{\frac{dx}{5+4\cos x}=}$

1) $\frac{2}{3}{{\tan }^{-1}}\left( \frac{1}{3}\tan x \right)+c$

2) $\frac{1}{3}{{\tan }^{-1}}\left( \frac{1}{3}\tan x \right)+c$

3) $\frac{2}{3}{{\tan }^{-1}}\left( \frac{1}{3}\tan \frac{x}{2} \right)+c$

4) $\frac{1}{3}{{\tan }^{-1}}\left( \frac{1}{3}\tan \frac{x}{2} \right)+c$

Solution:

Explanation: No Explanation

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)