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F.2 mathz (only 1 question,plz help!)
發問:
plz help me to ans the question..Thanks for all your help!!=] A man walks 100m up a slope inclined at an angle of 15。 and then 50m up another slope of 23。 .Find his vertical distance from the ground.
最佳解答:
100 * sin 15 + 50 * sin 23 = 25.88 + 19.54 = 45.42
其他解答:
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