Derive the volume of sphere using Calculus. i saw videos on this topic on youtube, but i want to do it by the method of integrating a circle at angle θ (Theta) . i am posting a photo where i explained every thing i did but i couldn't know what i am doing wrong.
Integrating a circle of radius r at angle θ (Theta)
The Attempt at a Solution
35.3 KB Views: 266