MQ23 --- Trigonometry
回答 (1)
2012-06-21 8:58 pm
✔ 最佳答案
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2012-06-23 11:15:05 補充：
Since 3 x 20 = 60, 3 x 40 = 120 and 3 x 80 = 240, all tan 60, tan 120 and tan 240 can lead to an absolute value of square root of 3.
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收錄日期: 2021-04-13 18:45:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120621000051KK00136