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From a lighthouse the angles of depressi...

From a lighthouse the angles of depression of two ships on opposite sides of the light-house are observed to be `30^@ and 45^@` If the height of lighthouse is h, what is the distance between the ships

A

`(sqrt3+1)h`

B

`(sqrt3-1)h`

C

`sqrt3h`

D

`(1+1/sqrt3)h`

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