If a sin theta + b cos theta = c , then prove that a cos theta - b sin theta = the whole under root a2 + b2 - c2 .
plz answer soon if u want a thumbzzzz up guys !!!!!!!!!!!!!
If a sin theta + b cos theta = c , then prove that a cos theta - b sin theta = the whole under root a2 + b2 - c2 .
plz answer soon if u want a thumbzzzz up guys !!!!!!!!!!!!!