Mathematics, 30.07.2021 06:50, Jmarie08

A plane flies horizontally at an altitude of 6 km and passes directly over a tracking telescope on the ground. When the angle of elevation is /6, this angle is decreasing at a rate of /3 radians per minute. How fast is the plane traveling at that time?

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A plane flies horizontally at an altitude of 6 km and passes directly over a tracking telescope on t...