Question

Question #9267e

Answer 1

Polar:`(pi/6,pi/2,0) rarr`Cartesian: `(x,y,z)=(0,0,0)`

Explanation:

I have assumed here that what you have given is a 3D polar coordinate of the form `(theta_phi,theta_xi,r)`

With a radius of `r=0`, despite the angles, this point is at the origin.