please explain how to solve this

Souther X Home x B Mobius X m Souther X m Souther X DO Mathwa X Course | X Sy f (x)=-3 x G finding t x G rewrite s X + 7 X -> C https://snhu.mobius.cloud/modules/unproctoredTest.QuestionSheet Please note that closing the exam does not stop or pause the timer so that the exam should be completed in one sitting. Remember that you are assessed on your explanations to the problem and therefore need to provide your reasoning in the text field for each question. A correct answer without an explanation will not earn any credit. Question 11 Rewrite sin ( x + ) in terms of sin x and cos x. 0 point How Did I Do? Enclose arguments of functions in parentheses. For example, sin (2x). ab sin (a) DO ? sin ( + = Show your work and explain, in your own words, how you arrived at your answer. Answers with no relevant explanations may receive reduced or no credit. Submit Assignment Quit & Save Back Question Menu - Next Type here to search O Ti ? 10:27 PM 65'F ^ -"/() 8/10/2021