$\"\"$

The trigonometric equation is $\"\"$ .

Subtract $\"\"$ from each side.

$\"\"$

Subtract $\"\"$ from each side.

$\"\"$

Divide each side by $\"\"$ .

$\"\"$

$\"\"$ or $\"\"$ .

The general solution of $\"\"$ is $\"\"$ , where $\"image\"$ is an integer.

The general solutions are $\"\"$ or $\"\"$ , where $\"image\"$ is an integer. $\"\"$

The solutions are $\"\"$ or $\"\"$ , where $\"image\"$ is an integer.