Trig

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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 -

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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