If `((x)/(a) sin theta -(y)/(b) costheta )=1 and ((x)/(a)costheta +(y)/(b) sin theta)=1`, prove that
Channel: Doubtnut
Date: 2020-01-03

If `((x)/(a) sin theta -(y)/(b) costheta )=1 and ((x)/(a)costheta +(y)/(b) sin theta)=1`, prove that `((x^(2))/(a^(2))+(y^(2))/(b^(2)))=2.`