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Calculus1 23 Online
OpenStudy (anonymous):

Hi everyone...my book shows a circle of radius 4 on the Cartesian plane with center at (0,0)...why would x=4cos theta and y=4sin theta on a right triangle?

OpenStudy (anonymous):

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OpenStudy (anonymous):

i can't figure out how they came up with what the x and y is equal to? hmmm

OpenStudy (amistre64):

|dw:1368015619214:dw|

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