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## Homework Statement

Compute the convolution f*g for the given function f and g.

f(t)=cost g(t)=U

_{2}(t)

## Homework Equations

f*g=∫f(t-u)g(u)du

## The Attempt at a Solution

So I pretty much only know how to plug in the functions into the integral for convolutions. Not really sure how to evaluate it with the U

_{2}(t)

f*g=∫cos(t-u)U

_{2}(u)du

so do I evaluate thi integral directly or are there other methods to evaluate this.?