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Mathematics 8 Online
OpenStudy (anonymous):

what are the cordinates of the point of intersection of the angle -225 degrees and the unit circle

OpenStudy (anonymous):

They are \((x,y) = (\cos -225^\circ, \sin -225^\circ)\)

OpenStudy (mandre):

|dw:1375939106358:dw| The drawing should make it clear what wio is saying. x = cos(-225) y = sin(-225)

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