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Mathematics 8 Online
OpenStudy (anonymous):

An airplane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is pi/3, this angle is decreasing at a rate of pi/6 rad/min. How fast is the plane traveling at that time? Same rules apply, draw a picture, it will make your life a whole lot easier!

OpenStudy (anonymous):

Good luck! ^.^

OpenStudy (shamil98):

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OpenStudy (shamil98):

something like that? my brain is fried already.

OpenStudy (anonymous):

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