indefinite-integration

Question: $\int_{{}}^{{}}{x\sin x{{\sec }^{3}}x\,dx=}$

1) $\frac{1}{2}[{{\sec }^{2}}x-\tan x]+c$

2) $\frac{1}{2}[x{{\sec }^{2}}x-\tan x]+c$

3) $\frac{1}{2}[x{{\sec }^{2}}x+\tan x]+c$

4) $\frac{1}{2}[{{\sec }^{2}}x+\tan x]+c$

Solution:

Explanation: No Explanation

Integration by parts

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