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OpenStudy (shamil98):
Find the exact value of each of the following: a. cos(7pi / 12) b. tan(17 pi/ 12) Can anyone give a detailed step by step answer?
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OpenStudy (anonymous):
b
OpenStudy (jdoe0001):
@shamil98 use the half-angle identities
OpenStudy (shamil98):
that 5 month late reply xD
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