Mathematics, 13.12.2019 08:31 maddylol3863
Use the exact value of cos 11pi/6 and the half-angle identity for sine to find the exact value of sin 11pi/12
Answers: 1
must be positive for angles 
in the interval 
.
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Use the exact value of cos 11pi/6 and the half-angle identity for sine to find the exact value of si...
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