$\"\"$

\

The integral is $\"\"$ .

\

Rewrite the above integral.

\

$\"\"$

\

Consider $\"\"$ then $\"\"$ .

\

Substitue $\"\"$ and $\"\"$ in $\"\"$ .

\

If $\"\"$ then $\"\"$ .

\

If $\"\"$ then $\"\"$ .

\

$\"\"$

\

$\"\"$

\

Integral of hyperbolic functions : $\"\"$ .

\

$\"\"$

\

$\"\"$

\

Use the formula : $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .