Secant-Tangent Integration Pattern

Rarely Tested

Secant-Tangent Integration Pattern

For a differentiable function $$f(x)$$:

$$\int\sec(f(x))\tan(f(x))f'(x)\,dx=\sec(f(x))+C$$

Usage

- Used when the product $$\sec u\tan u$$ appears with $$du$$.

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