indefinite-integration

Question: $\int_{{}}^{{}}{\frac{dx}{\tan x+\cot x}}=$



1) $\frac{\cos 2x}{4}+c$
2) $\frac{\sin 2x}{4}+c$
3) $-\frac{\sin 2x}{4}+c$
4) $-\frac{\cos 2x}{4}+c$
Solution: Explanation: No Explanation
Fundamental integration

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