You do not walk on a bearing but on a heading. Math texts are not written by navigators. Bearing is the direction from you to a object like a lighthouse.
North distance = 50 cos 25
= 45.3
East distance = 50 sin 25 + 200
= 221
distance = sqrt(45.3^3+221^2)
a man walks 50m on a bearing 25 degree and then 200m due east.how far is she from her starting point
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