Introduction to Trigonometry

CBSE Class 10 · Mathematics · 60 past questions

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1. Q55 2023

   $\left[\frac{3}{4}\tan^2 30° - \sec^2 45° + \sin^2 60°\right]$ is equal to

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2. Q59 2023 (Basic)

   Evaluate : $\tan^2 60^\circ - 2\,\text{cosec}^2 30^\circ - 2\tan^2 30^\circ$.

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