Hi I need some help with this antiderivative.
cos(5x)+sinh(2x)
First, the antiderivative of a sum is the sum of the antiderivatives:
Then we look at . The antiderivative of is . By the chain rule
,
thus , and the antiderivative of is .
Similar reasoning from the antiderivative of will give you the other half of the antiderivative.
--Kevin C.