Integral of tan^3(x)

This calculus video tutorial explains how to find the integral of tan^3x using integration by u-substitution and pythagorean identities of trig.

Integration By Parts Problems: https://www.youtube.com/watch?v=fXkCytYcta8

U-substitution Problems: https://www.youtube.com/watch?v=tM4RWc9ryx0

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