Introduction to Trigonometry

CBSE Class 10 · Mathematics · 60 past questions

These are the board's own papers. 130 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q40 2024

   If $\sec\theta - \tan\theta = m$, then the value of $\sec\theta + \tan\theta$ is…

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2. Q41 2024

   If $\cos(\alpha + \beta) = 0$, then value of $\cos\left(\frac{\alpha + \beta}{2}\right)$ is equal to…

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3. Q42 2024

   Evaluate : $2\sqrt{2}\cos 45^{\circ}\sin 30^{\circ} + 2\sqrt{3}\cos 30^{\circ}$

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4. Q44 2024 (Basic)

   If $\sin\theta = \frac{1}{3}$, then $\sec\theta$ is equal to…

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5. Q45 2024 (Basic)

   For what value of $\theta$, $\sin^2\theta + \sin\theta + \cos^2\theta$ is equal to 2 ?

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6. Q46 2024 (Basic)

   Evaluate: $\sin A \cos B + \cos A \sin B$; if $A = 30°$ and $B = 45°$.

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