A tower subtends an angle ` \alpha` at point 'A' in the plane of its base and the angle of depression of the foot of the

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Q 3050180014.     A tower subtends an angle ` \alpha` at point 'A' in the plane of its base and the angle of depression of the foot of the tower at height 'b' just above A is ` \beta`. The height of the tower is
A

`b\tan \alpha \cot \beta`

B

`b\cot \alpha \cot \beta`

C

`b\tan \alpha \tan \beta`

D

`b\cot \alpha \tan \beta`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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