$\"\"$

The differentiation formula is $\"\"$ .

Let the function is $\"\"$ .

The hyperbolic function : $\"\"$ .

$\"\"$

Differentiate the function with respect to $\"\"$ .

$\"\"$

The hyperbolic functions : $\"\"$ and $\"\"$ .

$\"\"$

Replace $\"\"$ with $\"\"$ .

$\"\"$ .

Therefore, $\"\"$ .

$\"\"$

$\"\"$ .