Asked by shaikha

from the top of a light house 40 m above the water the angle of depression of a small boat is 60 degree .find how far the boat is from the base of the light house
Answered by Steve
40/x = tan 60°
Answered by harsh
i want the answer please full detailed
Answered by vishnu
BC/AB=cos
20/40=cos
1/2=cos
Then cos=60
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