Asked by nick
Find the angle of depression from the top of
a lighthouse 191 feet above the water level to
the water line of a ship 4 miles offshore.
a lighthouse 191 feet above the water level to
the water line of a ship 4 miles offshore.
Answers
Answered by
Steve
tanθ = 191/(4*5280)
note that for small angles (in radians)
tanθ ≈ θ
note that for small angles (in radians)
tanθ ≈ θ
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