How would I find the rectangular coordinate of the point P on the unit circle that corresponds to t=-[pi]/2?

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- March 30th 2007, 03:41 AMgretchenRectangular coordinate
How would I find the rectangular coordinate of the point P on the unit circle that corresponds to t=-[pi]/2?

- March 30th 2007, 04:55 AMearboth
- March 30th 2007, 04:56 AMtopsquark