Evaluate: intsin^4xcos^3xdx...

Evaluate: `intsin^4xcos^3xdx`

Text Solution

Verified by Experts

I=`intsin4xcos3xdx`
I=`1/2int2sin4xcos3xdx`
I=`1/2int (sin7x+sinx)dx`
So
=`1/2[−cos(7x)/7−cosx]+c`
=`−1/14cos7x−1/2cosx+c`

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