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Mathematics 18 Online
OpenStudy (anonymous):

Please help, unit circle integration.

OpenStudy (anonymous):

Decide, without calculation, if each of the integrals below are positive, negative, or zero. Let D be the region inside the unit circle centered at the origin. Let T, B, R, and L denote the regions enclosed by the top half, the bottom half, the right half, and the left half of unit circle, respectively.

OpenStudy (anonymous):

|dw:1434341963815:dw|

OpenStudy (anonymous):

apparently region D is positive

OpenStudy (anonymous):

nevermind, i figured it out

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