Mathematics, 03.08.2019 00:30 milkshakegrande101

Anybody trying to me on my trig work? ? a helicopter flies horizontally at 100 km/h. an observer notices that it takes 20 seconds for the helicopter to fly overhead to being at an angle of 60. how high above the ground is the helicopter

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Anybody trying to me on my trig work? ? a helicopter flies horizontally at 100 km/h. an observer n...