trigonometry

Related Questions

• $\sin 6\theta +\sin 4\theta +\sin 2\theta =0,$then $\theta =$

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• If $A+B=\frac{\pi }{4},$then $(1+\tan A)(1+\tan B)=$

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• Maximum value of $\sin x-\cos x$ is equal to

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• If $\tan \frac{B-C}{2}=x\cot \frac{A}{2},$ then $x=$

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• The horizontal distance between two towers is 60 metres and the angular depression of the top of the first tower as seen from the top of the second, is 30°. If the height of the second tower be 150 metres, then the height of the first tower is

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