Answer
Linear equation.
Work Step by Step
$sin2$ is a constant thus fulfilling the conditions for an equation to be linear.
The conditions are as follow:
$a_{1}x+a_{2}y=b$,
where $a_{1},a_{2}$ and b are constants.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.