Question

if cos theta - sin theta = root 2 sin theta , then prove that cos theta plus sin theta = root 2 cos theta ( root is only for 2 and not for cos and sin )

plz answer fast got an exam tommorrow (half yearly ) plz

Answer 1

hope this helps you ......

Answer 2

Answer:

☺☺☺☺☺☺☺☺

Step-by-step explanation:

Please see the attachment