What is f(x) = int xsin2x+cos3x dx if f(pi/12)=4 ?
1 Answer
Explanation:
Given:
Setup the integration by parts variable for the first integral:
Let
Then
The remaining integrals become sine functions multiplied by a constant:
To find the value of C, evaluate at the point
I let WolframAlpha sort this one out:
Substitute the value for C into