Question:medium

The value of \(2\tan^2 45^\circ + \cos^2 30^\circ - \sin^2 60^\circ\) is \dots

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Remember: \[ \sin 60^\circ = \cos 30^\circ \] So their squares are also equal. Whenever one is added and the other is subtracted, they cancel immediately.
Updated On: May 18, 2026
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The Correct Option is C

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