trigonometry

Related Questions

• The general solution of ${{\sin }^{2}}\theta \sec \theta +\sqrt{3}\tan \theta =0$ is

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• The angle of elevation of the top of a pillar at any point A on the ground is 15°. On walking 40 metres towards the pillar, the angle become 30°. The height of the pillar is

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• The angle of elevation of a tower at a point distant d meters from its base is 30°. If the tower is 20 meters high, then the value of d is

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• Minimum value of $5{{\sin }^{2}}\theta +4{{\cos }^{2}}\theta $is

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• The base of a cliff is circular. From the extremities of a diameter of the base the angles of elevation of the top of the cliff are 30° and 60°. If the height of the cliff be 500 metres, then the diameter of the base of the cliff is

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