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

A vertical pole subtends an angle `Tan^-1(1/2)` at a point P on the ground. IF the angles subtended by the upper half and the lower half of the pole at P are respectively `alpha and beta`, then `(tan alpha , tan beta)`=

A

`((1)/(4),(1)/(5))`

B

`((1)/(5),(2)/(9))`

C

`((2)/(9),(1)/(4))`

D

`((1)/(4),(2)/(9))`

Text Solution

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The correct Answer is:
C
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