1.

Read the following information carefully to answer the questions that follow. As seen from the top and bottom of a building of heightof h m , the angles of elevation of the top of a tower of height ((3+sqrt3)h)/2m are alpha and beta , respectively, If β = 30^@ and if6 is the angle of depression of the foot of the tower as seen from the top of the building, then what is tan 9 equal to?

Answer»

`((3-SQRT3))/(3SQRT3)`
`((3 + sqrt3))/(3sqrt3)`
`((2 -sqrt3))/(3sqrt3)`
None of these

ANSWER :A


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