February 21, 2017

Homework Help: trigonometry math

Posted by mikee on Friday, January 4, 2013 at 8:54am.

An aviator heads his airplane due west. He finds that because of a wind from the south, the course makes an
angle of 20" with the heading. If his airspeed is 100 mi/h, what is his groundspeed and what is the speed of the wind?

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