Introduction to Trigonometry

CBSE Class 10 · Mathematics · 60 past questions

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1. Q43 2024

   Prove that : tanθ/(1-cotθ) + cotθ/(1-tanθ) = 1 + secθ cosecθ

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2. Q47 2024 (Basic)

   Prove that : $(\cot\theta-\operatorname{cosec}\theta)^2=\dfrac{1-\cos\theta}{1+\cos\theta}$.

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