Work Step by Step
Simplifying the expression using the sum and difference formulas, we find: $$\cos \left(x\right)\sin \left(\pi \right)+\cos \left(\pi \right)\sin \left(x\right) \\ -\sin \left(x\right)$$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.