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fingerling
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#1
Mar 30 2014 06:45pm
Can some explain how to solve:
Use reference angles to find exact value of expression
Sin 4π/3
carteblanche
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#2
Mar 30 2014 07:02pm
https://www.math.purdue.edu/academic/files/courses/2014spring/MA15400/Unit_Circle.pdf
http://www.purplemath.com/modules/idents.htm#sumdiff
use the unit circle and sum/difference identities
fingerling
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#3
Mar 30 2014 07:23pm
I already tried looking on sites books explanations just don't do it can someone just work that one out
carteblanche
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#4
Mar 30 2014 07:27pm
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