indefinite-integration

Question: $\int_{{}}^{{}}{2\sin x}\cos x\ dx$is equal to

1) $\cos 2x+c$

2) $\sin 2x+c$

3) ${{\cos }^{2}}x+c$

4) ${{\sin }^{2}}x+c$

Solution:

Explanation: No Explanation

Fundamental integration

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