Question

if x=asectheta cosalpha ,y=bsectheta sin alpha and z=ctantheta.then find the value of xsquare/asquare +ysquare/bsquare.​

Answer 1

$\frac{ {c}^{2} + {z}^{2} }{ {c}^{2} } \\ or \\ \ { sec }^{2} ( \theta)$

Explanation:

Stepwise explanation in the attachment......