If ` x=r sin alpha cos beta, y= r sin alpha sin beta and z= r cos alpha , ` prove that
Channel: Doubtnut
Date: 03/01/2020

If ` x=r sin alpha cos beta, y= r sin alpha sin beta and z= r cos alpha , ` prove that ` x^(2)+y^(2) + z^(2) = r^(2). `