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(1 point) A man wishes to row the shortest possible distance from north to south across...

(1 point) A man wishes to row the shortest possible distance from north to south across a river which is flowing at 5 km/hr from the east. He can row at 6 km/hr.

(a) In which direction should he steer? At an angle (in degrees) _________ east of south.

b) Suppose that when the man is in the middle of the river, a wind of 15 km/hr from the southwest starts. In which direction should he steer to move straight across the river? At an angle (in degrees) of ___________ west of south.

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