Question

4. A man rowing a boat away from a lighthouse, 150m high takes 2 minutes to change the angle of elevation of the top of lighthouse from 450 to 300. Find the speed of the boat. (√3 = 1.732) Chapter is Applications of trigonometery

Answer 1

Step-by-step explanation:

A man in a boat rowing away from a lighthouse 150 m high, takes 2 minutes to change. A man in a boat rowing away from a lighthouse 150 m high, takes 2 minutes to change the angle of elevation of the top of the lighthouse from 60° to 45°.

Answer 2

Answer:

answer is in the attachment

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