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OpenStudy (anonymous):
A ship leaves port traveling SW at a rate of 12 MPH. At noon, the ship reaches its closest approach to a radar station, which is on the shore, 1.5 miles from the port. If the ship maintains its speed and course, what is the rate of change of the tracking angle, theta, between the radar station and the ship at 1:30 pm?
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OpenStudy (anonymous):
OpenStudy (gorv):
u can see it is a right angle triangle ..use its property
OpenStudy (gorv):
and u know sine law??
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