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A verrical pole subtends an angle tan^(-...

A verrical pole subtends an angle `tan^(-1)"1/2` at a points P on the ground. The angle subtended by the upper half the pole at P is

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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