Principal Value of $$\sin^{-1}x$$

Principal Value of $$\sin^{-1}x$$

## Formula

$$\sin^{-1}x\in\left[-\frac\pi2,\frac\pi2\right]$$

## Terminologies

- $$x$$ → Input of the inverse sine function.

- $$\sin^{-1}x$$ → Principal value of the angle whose sine is $$x$$.

## Usage

- Used to determine the correct value of an inverse sine expression.