Reduction Formula for Cosecant Powers

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Reduction Formula for Cosecant Powers

Define:

$$I_n=\int\csc^n x\,dx$$

Then:

$$I_n=-\frac{\csc^{n-2}x\cot x}{n-1}+\frac{n-2}{n-1}I_{n-2}$$

Usage

- Used to reduce higher powers of cosecant.

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