Trig
posted by Mike .
a pilot wishes to fly on a course bearing 45 and with a ground speed of 600 km per hour. If a wind is blowing from the southwest (bearing 315) at 80 km per hour. What must be the heading and air speed of the aircraft?

Trig 
Steve
since the wind and the desired course are in the same direction, the plane just needs to have an air speed of 520 km/hr at 45
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