Question

Plz someone solve this...
Ques : Prove that L.H.S = R.H.S

Answer 1

you need to see in what terms RHS is in. since here you only need sine and cosine terms, you have to convert everything to those terms only. observe closely, if you can apply any algebraic or trigonometric identities. happy learning. all the best. ping me if you have any queries.

Answer 2

this will help you be I think so