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Mathematics 15 Online
OpenStudy (anonymous):

a plane is flying on a bearing of 51 degrees east south at 542 mph, a tail wind hits the plane at 83 degrees west of north at 86 mph what is the final direction of the plane?

OpenStudy (dumbcow):

|dw:1333016281970:dw| 90+51+7 = 148 Now imagine a triangle formed by the 2 vectors with the resultant vector |dw:1333016509636:dw| use law of cosines to find x, (new speed of plane) then use law of sines to find theta which will give the new direction of plane

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