trigonometry

Related Questions

• The angle of depression of a ship from the top of a tower 30 metre high is 60°, then the distance of ship from the base of tower is

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• If $\alpha =22{}^\circ 30',$then $(1+\cos \alpha )(1+\cos 3\alpha )$ $(1+\cos 5\alpha )(1+\cos 7\alpha )$ equals

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• If the sides of triangle are 13, 14, 15, then the radius of its incircle is

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• In an equilateral triangle the inradius and the circum-radius are connected by

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• If $\tan \theta +\tan 2\theta +\tan 3\theta =\tan \theta \tan 2\theta \tan 3\theta $, then the general value of $\theta $ is

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