Question

a sin x + b cos x = c, prove that a cos x - b sin x = root of a^2 + b^2 - c^2

Answer 1

Answer:

Step-by-step explanation:

Fiyshfsjgs फीयषफ्‍सजगस फीयषफ्‍सजग्‍स Fiyshfsjgs is the is height व w i ई I will have am not a single t tear but in the this season week I the best only same person one person who has won a the an arsenal American award in winning won the awards awards last night Sunday