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OpenStudy (anonymous):
Find cos theta if the point (-12,5) lies on its terminal side?
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OpenStudy (mertsj):
|dw:1362948104340:dw|
OpenStudy (mertsj):
Find the hypotenuse and then use the fact that cosine is side adjacent over hypotenuse
OpenStudy (anonymous):
Ok so the hypotenuse would be 13 right?
OpenStudy (anonymous):
Then cos is adjacent/hypotenuse so it would be -12/13?
OpenStudy (raden):
u are right
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OpenStudy (anonymous):
Ok thank you
OpenStudy (raden):
yw
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