Why is the volume of a cone 1/3*pi*r^2*h? Let me show you a proof with the disc method! This is a must-know integral application that you will encounter in your Calculus 1 class and AP Calculus AB class. Many students don't like the disc method but I think it's one of the coolest topics in your calculus class! Subscribe to ‪@bprpcalculusbasics‬ for more calculus tutorials!

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