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Trigonometry
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OpenStudy (anonymous):
cos(420 degrees) =
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OpenStudy (anonymous):
Are you allowed to use the calculator?
OpenStudy (jdoe0001):
check your Unit Circle
OpenStudy (jdoe0001):
hint: 420 = 360 + 60
OpenStudy (anonymous):
And cosine is the x in (x,y). :)
Nnesha (nnesha):
|dw:1438127332014:dw| here s what u need :3 o^_^o
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OpenStudy (anonymous):
And 420 is in here: |dw:1438127445699:dw|
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