Introduction to Trigonometry

Bihar Board Class 10 · Mathematics · 116 past questions

6 of 116 · show all

1. Q105 2018

   If $\sqrt{3}\tan\theta = 3\sin\theta$, then $\sin^2\theta - \cos^2\theta$ is equal to -

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2. Q106 2018

   If $7\sin^2\theta + 3\cos^2\theta = 4$, then $\sec\theta + \operatorname{cosec}\theta$ is equal to -

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3. Q107 2018

   If $5\cot\theta = 3$, then $\frac{5\sin\theta - 3\cos\theta}{4\sin\theta + 3\cos\theta}$ is equal to -

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4. Q108 2018

   If $\sin x^\circ = \sin\alpha$, then $\alpha$ is -

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5. Q109 2018

   The value of $\tan 15^\circ \cdot \tan 20^\circ \cdot \tan 70^\circ \cdot \tan 75^\circ$ -

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6. Q110 2018

   At 4:24 pm, how many degrees has the hour hand of a clock moved from its position at noon?

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