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OpenStudy (anonymous):
Simplify the expression. 1/2(-sin2x - cos 2x)
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OpenStudy (anonymous):
\[\Huge {1 \over 2(-\sin2x-\cos2x)}\] Os it this?
OpenStudy (anonymous):
\[\Huge {1 \over 2(-\sin^2x-\cos^2x)}\] Or this?
OpenStudy (anonymous):
\[\frac{ 1 }{ 2 } (-\sin2x - \cos 2x) \]
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