The angle of elevation of an object from...

The angle of elevation of an object from a point P on the level ground is a. Moving d metres on the ground towards the object, the angle of elevation is found to be `beta`. Then the height (in metres) of the object is

`d tan alpha`

`d cot beta`

`d/(cot alpha + beta beta)`

`d/ (cot alpha - cot beta)`

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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1C

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