双曲余切表(弧度)
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coth(2.90) = coth(166°09'27") = 1.00607349733643
coth(2.91) = coth(166°43'50") = 1.00595287607523
coth(2.92) = coth(167°18'13") = 1.00583465735164
coth(2.93) = coth(167°52'35") = 1.00571879303788
coth(2.94) = coth(168°26'58") = 1.00560523598106
coth(2.95) = coth(169°01'21") = 1.00549393998296
coth(2.96) = coth(169°35'43") = 1.00538485978034
coth(2.97) = coth(170°10'06") = 1.00527795102562
coth(2.98) = coth(170°44'29") = 1.00517317026796
coth(2.99) = coth(171°18'51") = 1.00507047493479
支持0.1°到360°范围内的数值计算，提供渐近线标记（0°处无定义），可显示双曲余切曲线图。支持导出计算结果为CSV格式。