关于高一三角函数的五点作图法的疑问,就比如y=2sin(X/2+π/3)这个函数,X没有指定的范围时,列表如下:x/2+π/3\x050\x05π/2\x05π\x05……\x05X\x05-2π/3\x05π/3\x054π/3\x05\x05Y\x050\x052\x050\x05\x05第一个问题
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![关于高一三角函数的五点作图法的疑问,就比如y=2sin(X/2+π/3)这个函数,X没有指定的范围时,列表如下:x/2+π/3\x050\x05π/2\x05π\x05……\x05X\x05-2π/3\x05π/3\x054π/3\x05\x05Y\x050\x052\x050\x05\x05第一个问题](/uploads/image/z/1381219-43-9.jpg?t=%E5%85%B3%E4%BA%8E%E9%AB%98%E4%B8%80%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E7%9A%84%E4%BA%94%E7%82%B9%E4%BD%9C%E5%9B%BE%E6%B3%95%E7%9A%84%E7%96%91%E9%97%AE%2C%E5%B0%B1%E6%AF%94%E5%A6%82y%3D2sin%28X%2F2%2B%CF%80%2F3%EF%BC%89%E8%BF%99%E4%B8%AA%E5%87%BD%E6%95%B0%2CX%E6%B2%A1%E6%9C%89%E6%8C%87%E5%AE%9A%E7%9A%84%E8%8C%83%E5%9B%B4%E6%97%B6%2C%E5%88%97%E8%A1%A8%E5%A6%82%E4%B8%8B%EF%BC%9Ax%2F2%2B%CF%80%2F3%5Cx050%5Cx05%CF%80%2F2%5Cx05%CF%80%5Cx05%E2%80%A6%E2%80%A6%5Cx05X%5Cx05-2%CF%80%2F3%5Cx05%CF%80%2F3%5Cx054%CF%80%2F3%5Cx05%5Cx05Y%5Cx050%5Cx052%5Cx050%5Cx05%5Cx05%E7%AC%AC%E4%B8%80%E4%B8%AA%E9%97%AE%E9%A2%98)
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