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## Homework Statement

Change the Cartesian integral into an equivalent polar integral. Then evaluate the polar integral.

int(-1to1)int((sqrt(1-y^2))to(sqrt(1-y))[x^2+y^2]dxdy

## Homework Equations

x=rcostheta

y=rsintheta

## The Attempt at a Solution

int(-1to1)int((sqrt1-(rsintheta)^2)to(sqrt(1-(rsintheta))))[(rcostheta)^2+(rsintheta)^2]rdrdtheta