Asked by Kaur
from the top of a cliff which is 200 m above the sea level the angles of elevation of 45 degree and 30 degree find the distance between the ships if the ships are
A- on the same side of the Cliff
B- on the opposite side of the clips
A- on the same side of the Cliff
B- on the opposite side of the clips
Answers
Answered by
oobleck
as always, draw the diagram and review your basic trig functions
(A) d = 200 cot30° - 200 cot45°
(B) d = 200 cot30° + 200 cot45°
This only applies if the point just below the observer lies on the line joining the two ships. Otherwise it gets a bit more complicated.
(A) d = 200 cot30° - 200 cot45°
(B) d = 200 cot30° + 200 cot45°
This only applies if the point just below the observer lies on the line joining the two ships. Otherwise it gets a bit more complicated.
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