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Tangent-Secant Integral for Odd Secant Power
For:
$$\int\tan^m x\sec^n x\,dx$$
if $$m$$ is odd, separate a factor of $$\sec x\tan x$$ and use:
$$\sec^2x=1+\tan^2x$$
Usage
- Used to reduce tangent-secant integrals when an odd power of tangent is available.
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