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AB is a vertical pole. The end A is on t...

AB is a vertical pole. The end A is on the level ground .C is the middle point of AB. P is a point on the level ground . The portion BC subtends an angles `beta` at P. If AP = nAB, then tan `beta`=

A

`tan^(-1)4/9`

B

`tan^(-1)1/9`

C

`tan^(-1)5/9`

D

`tan^(-1)2/9`

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-HEIGHTS AND DISTANCES-Exercise
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