# Integral with Trig Functions

## Homework Statement

[PLAIN]http://integrals.wolfram.com/images/integral.gif(tan[x]^2*sec[x]^3)dx[/URL] [Broken]

## Homework Equations

Whatever you need to complete problem

## The Attempt at a Solution

This problem has given me so much grief. I have page loads of work but cant figure it out.

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tiny-tim
Homework Helper
Welcome to PF!

Hi recon_ind! Welcome to PF!

tan2x sec3x = sec5x - sec3x …