Step 1 :

The algebraic equation is $\"\"$ and $\"\"$ .

Substitute $\"\"$ in $\"\"$ .

$\"\"$

Pythagorean identity : $\"\"$ .

$\"\"$

The trigonometric equation is $\"\"$ .

The value of $\"\"$ is $\"\"$ .

Step 2 :

$\"\"$

The value of $\"\"$ is $\"\"$ .

Solution :

The trigonometric equation is $\"\"$ , the value of $\"\"$ is $\"\"$ and the value of $\"\"$ is $\"\"$ .