Question

if
x cosӨ - y sin Ө = a
x sin Ө + y cos Ө= b

PROVE
x^2 + y^2 = a^2 + b^2

KINDLY HELP ME​

Answer 1

The solution is in the given attachment....

Thank u!!!!

Hope it will help you!!!!!

PLEASE

MARK AS BRAINLIEST!!!!