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
plz.plz ​

Answer 1

Answer:

squaring and adding both equation

Step-by-step explanation:

we get ,

X

x²+y²=a²+b²

Answer 2

I hope this may help you...