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OpenStudy (anonymous):
trig identity
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OpenStudy (anonymous):
\[\huge \frac{ sinx-2sinx^3 }{ 2\cos^3x-cosx } = tanx \]
OpenStudy (anonymous):
is this proving? or simplifying?
OpenStudy (anonymous):
proving
OpenStudy (anonymous):
the left side is confusing me to the max
OpenStudy (anonymous):
|dw:1353299892857:dw|
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