# trig

An airplane flying at 600 miles per hour has a bearing of 152 degrees. After flying for 1.5 hours, how far north and how far east will the plane have traveled from point of departure?

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1. bearing relative to N, clockwise?

The plane is going S, not N.

East: 600*1.5 sin152

N: 600*1.5*cos152 (notice cosine will be -, making the N distance -, or + S.)

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2. a plane with airspeed of 450 miles per hour is flying in the direction N35 degress west?

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