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## Homework Statement

Integrate from e^x to e^2x: (sin^2(t) + cos^2(t) -1)dt

## Homework Equations

just standard integral equations

## The Attempt at a Solution

I know how to do most of it, my only question is: is (sin^2(e^2x) + cos^2(e^x) -1) a special trig identity? or would i just solve it like a normal interation in parts problem?