Asked by Shane
From a point on a lighthouse 76 metres above sea level,the angle of depression of a fishing boat 28 degrees.How far is the boat from the foot of the lighthouse?
Answers
Answered by
Reiny
right-angled triangle trig .
tan 28° = 76/x
x = 76/tan28 = appr 142.9 m
tan 28° = 76/x
x = 76/tan28 = appr 142.9 m
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