Which of the following statement is true. | MATH - HYPERBOLIC FUNCTIONS | SolveeIt | Solveeit

Today, August 18

Question

Which of the following statement is true.

A

$\sinh^{2}x - \cosh^{2}x = 1$

B

${\sin h}^{2}x + {\cos h}^{2}x = 1$

C

$\sec ⥂ h^{2}x - \tanh^{2}x = 1$

D

${\cot h}^{2}x - \text{cosec}\text{h}^{2}x = 1$

Answer

${\cot h}^{2}x - \text{cosec}\text{h}^{2}x = 1$

Explanation

Solution

It is obvious.