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OpenStudy (highschoolmom2010):
verify the identity. justify the steps.
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OpenStudy (highschoolmom2010):
\[\cot (\theta- \frac{ \pi }{ 2 })=-\tan \theta\]
ganeshie8 (ganeshie8):
\(\cot(x) = \dfrac{\cos (x)}{\sin(x)}\) might help
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