Heading vector:
South = 550 cos 83
East = 550 sin 83
Wind vector - air moving:
South = 85 cos 70
East = -85 sin 70
so in the end
South 550 cos 83 + 85 cos 70
East 50 sin 83 - 85 sin 70
I think you can take it from there.
a plane is steering at S83degE at an air speed of 550 km/h. The wind is from N70degE at 85 km/h. Find the ground velocity of the plane to 1 d.p.
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