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AB is vertical tower. The point A is on ...

AB is vertical tower. The point A is on the ground and C is the middle point of AB. The part CB subtend an angle `alpha` at a point P on the ground. If `AP = nAB`, then `tan alpha =`

A

`n=(n^2+1)tan alpha`

B

`n=(2n^2-1)tan alpha`

C

`n^2 = (2n^2+1) tan alpha`

D

`n=(2n^2+1) tan alpha`

Text Solution

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The correct Answer is:
D
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