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From an h = 68 feet observation tower on the
coast, a Coast Guard oﬃcer sights a boat in
diﬃculty. The angle of depression of the boat
is θ = 1
◦
.
 2 years ago
 2 years ago
From an h = 68 feet observation tower on the coast, a Coast Guard oﬃcer sights a boat in diﬃculty. The angle of depression of the boat is θ = 1 ◦ .
 2 years ago
 2 years ago

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pablobeginsBest ResponseYou've already chosen the best response.0
dw:1318804517622:dw
 2 years ago

pablobeginsBest ResponseYou've already chosen the best response.0
How far (in feet) is the boat from the shoreline? assume that the boat is starting from the little circle in the bottom right corner
 2 years ago

LagrangeSon678Best ResponseYou've already chosen the best response.1
basically how far is the boat from the base of the shore: tan(1) = d/68 68 * tan(1) = d solve this to get distance = d
 2 years ago

pablobeginsBest ResponseYou've already chosen the best response.0
I got 57.28996, is that right? what am I doing wrong?
 2 years ago

LagrangeSon678Best ResponseYou've already chosen the best response.1
i believe that is right
 2 years ago

pablobeginsBest ResponseYou've already chosen the best response.0
it was wrong in my online hw
 2 years ago

pablobeginsBest ResponseYou've already chosen the best response.0
is that in ft though?
 2 years ago

LagrangeSon678Best ResponseYou've already chosen the best response.1
maybe you are suppose to round or something
 2 years ago

LagrangeSon678Best ResponseYou've already chosen the best response.1
or try (68)/(tan(1))
 2 years ago

pablobeginsBest ResponseYou've already chosen the best response.0
that worked, thank you
 2 years ago

LagrangeSon678Best ResponseYou've already chosen the best response.1
anytime my friend
 2 years ago
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