# How to go about integrating this

Attached

## The Attempt at a Solution

I'm not sure how to go about integrating this, i.e. integration by parts, substitution etc?

Any ideas?

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Curious3141
Homework Helper

Attached

## The Attempt at a Solution

I'm not sure how to go about integrating this, i.e. integration by parts, substitution etc?

Any ideas?

Hint: I would probably make it a little easier by making the sub y = wt first to get a simple argument for the cosine. Then sub y = 2x and apply the double angle formula for cosine and simplify the integrand.