一些三角函数问题。
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更新1:
f.imagehost/view/0399/1_55(这个才对)
As follows: 图片参考：h.imagehost/0340/ScreenHunter_06_Jul_08_19_15 图片参考：h.imagehost/0717/ScreenHunter_07_Jul_08_19_15 图片参考：h.imagehost/0547/ScreenHunter_08_Jul_08_19_15 图片参考：h.imagehost/0701/ScreenHunter_09_Jul_08_19_15 图片参考：h.imagehost/0146/ScreenHunter_11_Jul_08_19_16 图片参考：h.imagehost/0739/ScreenHunter_12_Jul_08_19_16 图片参考：h.imagehost/0270/ScreenHunter_13_Jul_08_19_16 图片参考：h.imagehost/0161/ScreenHunter_14_Jul_08_19_16 图片参考：h.imagehost/0173/ScreenHunter_15_Jul_08_19_16 2009-07-08 19:33:48 补充： h.imagehost/0340/ScreenHunter_06_Jul_08_19_15 h.imagehost/0717/ScreenHunter_07_Jul_08_19_15 h.imagehost/0547/ScreenHunter_08_Jul_08_19_15 h.imagehost/0701/ScreenHunter_09_Jul_08_19_15 h.imagehost/0076/ScreenHunter_10_Jul_08_19_15 2009-07-08 19:33:56 补充： h.imagehost/0146/ScreenHunter_11_Jul_08_19_16 h.imagehost/0739/ScreenHunter_12_Jul_08_19_16 h.imagehost/0270/ScreenHunter_13_Jul_08_19_16 h.imagehost/0161/ScreenHunter_14_Jul_08_19_16 h.imagehost/0173/ScreenHunter_15_Jul_08_19_16
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