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Two ships start from the same point, one going south and
the other North 28° East. If the speed of the first ship is 12
kph and the second ship is 16 kph, find the distance
between them after 45 minutes. (Illustrate and use trigonometric functions and identities)

A. 17.3 km B. 18.5 km
C. 19.2 km D. 20.4 km

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