Solve this problem in the png file question

According to the diagram, is the polar angle (the "vertical" angle made with the positive z-axis) and is the azimuthal angle (the "horizontal" angle made with the positive x-axis), so the convention used here is to take

Then for the spherical point (1, π/4, π/2), we have the corresponding Cartesian point (x, y, z), where

4.0 ft

step-by-step explanation:

4.0 ft

x> 6

step-by-step explanation:

8x+8> 7x+14

8x-7x> 14-8

x> 6