Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. $\cos \left(540^{\circ}-\theta\right)-\sin \left(630^{\circ}-\theta\right)$ is equal to

Trigonometric Functions

Solution:

$\cos \left(540^{\circ}-\theta\right)-\sin \left(630^{\circ}-\theta\right)=-\cos \theta+\cos \theta=0$