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Trigonometric l...

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    A tower is situated on horizontal plane. From two points, the line joining three points passes through the base and which are a and b distance from the base. The angle of elevation of the top are α and 90o – α and θ is that angle which two points joining the line makes at the top, the height of tower will be

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    From the bottom of a pole of height h, the angle of elevation of the top of a tower is α and the pole subtends angle β at the top of the tower. The height of the tower is

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    A person observes the angle of elevation of a building as 30o. The person proceeds towards the building with a speed of 25(√3 – 1) m/hour. After 2 hours, he observes the angle of elevation as 45o. The height of the building (in metre) is

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    A man from the top of a 100 metres high tower sees a car moving towards the tower at an angle of depression of 3Oo. After some time, the angle of depression becomes 60°. The distance (in metres) travelled by the car during the time is

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