April 25, 2009
APPLYING TRIGONMETRY- A sailboat is sailing toward a 15 meter tall lighthouse. The sailor drops the anchor 80?
kageepan_k asked:
meteres form the base of the lighthouse. From this point, what is the angle of elevation form the boat to the top of the lighthouse?
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meteres form the base of the lighthouse. From this point, what is the angle of elevation form the boat to the top of the lighthouse?
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Filed under Lighthouses by admin
Comments on APPLYING TRIGONMETRY- A sailboat is sailing toward a 15 meter tall lighthouse. The sailor drops the anchor 80? »
The required angle tanu 15 80 use calculator to find.
x
x
x 15 Consider a triangle like this.
xxxxxxxxx
80
Tan z = 15/80
Tan z = decimal
Tan^ -1 of both sides