As observed from the top of a 75m high l...

As observed from the top of a 75m high lighthouse from the sea-level, the angles of depression of two ships are `30^(@) and 45^(@)`. If one ship is exactly behind the other on the same side of the lighthouse, find the distance between the two ships

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The correct Answer is:

`75 (sqrt3-1)m`

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KUMAR PRAKASHAN-SOME AAPLICATIONS OF TRIGONOMETRY-Exercise9.1

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