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A vertical pole subtends an angle tan^-1...

A vertical pole subtends an angle `tan^-1 (1/2)` at apoint P on the ground. The angle subtended by the upper half of the pole at the point P is (A) `tan^-1(1/4)` (B) `tan^-1(2/9)` (C) `tan^-1(1/8)` (D) `tan^-1(2/3)`

A

`tan^(-1) (1//4)`

B

`tan^(-1) (2//9)`

C

`tan^(-1) (1//8)`

D

`tan^(-1) (2//3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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