trigonometry

Related Questions

• Two men are on the opposite side of a tower. They measure the angles of elevation of the top of the tower 45° and 30° respectively. If the height of the tower is 40 m, find the distance between the men

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• If $\cos {{40}^{o}}=x$ and $\cos \theta =1-2{{x}^{2}}$, then the possible values of $\theta $lying between ${{0}^{o}}$and ${{360}^{o}}$is

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• Which of the following is true in a triangle ABC

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• The most general value of $\theta $which will satisfy both the equations $\sin \theta =-\frac{1}{2}$and $\tan \theta =\frac{1}{\sqrt{3}}$is

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• The angle of elevation of a cliff at a point A on the ground and a point B, 100 m vertically at A are $\alpha$ and $\beta$ respectively. The height of the cliff is

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