Inverse Secant-Cosecant Complementary Relation

Rarely Tested

Inverse Secant-Cosecant Complementary Relation

## Formula

$$\sec^{-1}x+\cosec^{-1}x=\frac\pi2$$

for:

$$|x|\ge1$$

## Usage

- Used to convert between inverse secant and inverse cosecant expressions.

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