Question:medium

Residue of \(\tan z\) at \(z=\dfrac{\pi}{2}\) is

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Remember: \[ \boxed{ \tan z=\frac{\sin z}{\cos z} } \] Residue at a simple pole \[ = \frac{f(a)}{g'(a)}. \]

Updated On: Jul 24, 2026

\(-1\)
\(0\)
\(1\)
\(2\)

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The Correct Option is A

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