Question:medium

\[ \tan 9^\circ-\tan 27^\circ-\tan 63^\circ+\tan 81^\circ= \]

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For angles like \(9^\circ\) and \(81^\circ\), or \(27^\circ\) and \(63^\circ\), use complementary angle identities.

Updated On: May 7, 2026

\(2\)
\(1\)
\(4\)
\(3\)

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The Correct Option is C

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