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## anonymous 3 years ago Verify This... (See Below)

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1. anonymous

$\tan (X+\frac{ \pi }{ 2 }) = - COT(X)$

2. anonymous

I saw... $\tan \frac{ \pi }{ 2 }=Undefined$ How can this be verified

3. anonymous

@mark_o. can you help on this im stuck again on these

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