The expression is $\"\"$ .

Simiplify the expresion.

$\"\"$

Pythagorean identity : $\"\"$ .

Substitute $\"\"$ in the above expression.

$\"\"$ . \ \

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

For the expression $\"\"$ , $\"\"$ cannot be zero, hence no solutions exist for $\"\"$ .

No solutions exist.