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OpenStudy (anonymous):
What are the sine, cosine, and tangent of radians (7pi)/(4)
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OpenStudy (anonymous):
\[\frac{ 7\pi }{ 4 }\]
OpenStudy (anonymous):
@ganeshie8 @Hero @jdoe0001 @dumbcow
OpenStudy (dumbcow):
use a unit circle cos is like the "x" coordinate sin is like the "y" coordinate tan = sin/cos
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