- #1

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## Homework Statement

The whole integral is a double integral, but I can't even perform the first integration.

The integrand is cosx*sqrt(3+(cosx)^2) dxdy

The x bounds are from arctan(y) to pi/4

the y bounds are from 0 to 1

## Homework Equations

Converting rectangular to polar may help.

## The Attempt at a Solution

I've tried parts, but it was a disaster. I also started converting it to polar, but that was also a disaster.