If `x=r cos A cos B, y=rcosAsinB, z=rsin A` then `x^(2)+y^(2)+z^(2)=`

If x=sin A cos B and y=sin A sin B and z=cos A then find x^(2)+y^(2)+z^(2)

If x = r cos A cos B, y = r cos A sin B and z = r sin A, show that : x^(2) + y^(2) + z^(2) = r^(2)

If x=r cos alpha cos beta,y=r cos alpha sin beta,z=r sin alpha then x^(2)+y^(2)+z^(2) =

If x=r cos theta cos phi , y=r cos theta sin phi and z=r sin theta , then x^(2)+y^(2)+z^(2)=

If cos^(-1)x + cos^(-1)y + cos^(-1)z = pi , then x^(2) + y^(2) + z^(2) + 2xyz is :

If x = r sin A cos B, y = r sin A sin B and z = r cos A, then prove that : x^(2) + y^(2) + z^(2) = r^(2)

If x=r cos theta cos phi, y=r cos theta sin phi, z=r sin theta , then prove that x^(2)+y^(2)+z^(2)=r^(2).

If x = r cos theta cos phi, y = r cos theta sin phiz = r sin theta, then x ^ (2) + y ^ (2) + z ^ (2) = (i) r ^ (2) (ii ) y ^ (2) (iii) x ^ (2) (iv) z ^ (2)

If x=r cos alpha cos beta cos gamma , y= cos alpha cos beta sin gamma , z= r sin alpha cos beta , mu = r sin beta " then " x^(2)+y^(2) + z^(2)+mu^(2)=

If x=r sin A cos C,quad y=r sin A sin C and z=r cos A, prove that r^(2)=x^(2)+y^(2)+z^(2)