Class 10

Introduction to Trigonometry question bank (Maths)

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Q1.

Given $15 \cot A = 8$,find $\sin A$ and $\sec A$.

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Q2.

If $\cot \theta = \frac{7}{8},$ evaluate:
$(i) \frac{(1+\sin \theta)(1-\sin \theta)}{(1+\cos \theta)(1-\cos \theta)}$
$(ii) \cot^2 \theta$

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