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**1. Homework Statement**

Find the volume of the portion of the sphere x^2 + y^2 + z^2 = 4 for which y>1 (or equal to).

**2. Homework Equations**

I would like to do this using a triple integral.

**3. The Attempt at a Solution**

OK, so I tried integrating the element r^2sin(theta)drd(phi)d(theta) where theta is the angle from the z axis, and theta limits 0 to pi, phi limits 0 to 2pi and r limits 1 to 2 and got 28/3 * pi.

Am I talking utter rubbish?

Cheers

Cpfoxhunt