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OpenStudy (anonymous):
Write the expression as either the sine, cosine, or tangent of a single angle. sin(pi/2)cos(pi/7)+cos(pi/2)sin(pi/7)
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OpenStudy (anonymous):
no idea
OpenStudy (anonymous):
know anyone that could help? @sewagking
OpenStudy (anonymous):
yes but he is not on :p
OpenStudy (anonymous):
sorry @Aaisha i am not getting yet.
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