1.

A verticalpole subtends an angleTan ^(-1) (( 1)/(2))at apoint P onthe ground. On the ground .If the angles subtendsby the upper half and the lower halfof the pole at Pare respectivelyalpha and betathen( tan alpha, tan beta)

Answer»

` ( (1)/(4) , ( 1)/(5))`
` ((1)/(5) , (2)/(9))`
` ( (2)/( 9),( 1)/(4))`
` ( (1)/(4),( 2)/(9))`

Answer :C


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