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The angle of elevation of the top of a t...

The angle of elevation of the top of a tower , vertically erected in the middle of a paddy field ,from two points on a horizontal line through the foot of the tower are given to be `alphaandbeta(alphagtbeta)` .The height of the tower is h unit .A possible distance (in the same unit between the points is

A

`(h(cot beta-cotalpha))/(Cos(alpha+beta))`

B

`h (cot a - cot beta)`

C

`(h(tan beta-tanalpha))/(tan alpha tanbeta)`

D

`h ( cot alpha+ cot beta`

Text Solution

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The correct Answer is:
A, B, C
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