Calculate in polar coordinates the area of the region outside of , and in inside

This is correct:

and the answer is:

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- Nov 14th 2008, 03:32 PMApprentice123Area in polar coordinates
Calculate in polar coordinates the area of the region outside of , and in inside

This is correct:

and the answer is: - Nov 14th 2008, 06:30 PMSoroban
Hello, Apprentice123!

What does stand for in your equation?

Quote:

Calculate in polar coordinates the area of the region

outside of , and inside

. .

The region is symmetric to the -axis.

. . We can determine the area of the upper half and multiply by 2.

From to , the area is between

. .

From to , the area is between

. .

Add the two areas and multiply by 2 . . .