Question

X by a cos theta + y by b sin theta is equal to 1 and second bracket is x by a sin theta minus y by b cos theta is equals to 1 and we have to prove that x square by a square plus y square by b square is equals to 1

Answer 1

cosec theta -sin theta = a cube and sec theta -cos theta = b cube then prove that a square.b sq(a sq + b sq) = 1. Abhinav Kumar , added an answer, on 13/8/13. ... secÓ¨ cosÓ¨ = b.

Answer 2

i know it is quote lenghty but it will help you