Principal Value of $$\sec^{-1}(-2)$$
## Formula
$$\sec^{-1}(-2)=\frac{2\pi}3$$
## Usage
- Used for direct evaluation of inverse secant with a negative argument.
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CAT Formulas
Inverse Trigonometric Functions
Principal Value of $$\sec^{-1}(-2)$$
Principal Value of $$\sec^{-1}(-2)$$
## Formula
$$\sec^{-1}(-2)=\frac{2\pi}3$$
## Usage
- Used for direct evaluation of inverse secant with a negative argument.
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