双曲余切表(弧度)
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coth(3.00) = coth(171°53'14") = 1.00496982331369
coth(3.01) = coth(172°27'37") = 1.00487117453471
coth(3.02) = coth(173°01'59") = 1.00477448855301
coth(3.03) = coth(173°36'22") = 1.00467972613189
coth(3.04) = coth(174°10'45") = 1.00458684882624
coth(3.05) = coth(174°45'07") = 1.0044958189662
coth(3.06) = coth(175°19'30") = 1.00440659964134
coth(3.07) = coth(175°53'52") = 1.00431915468504
coth(3.08) = coth(176°28'15") = 1.00423344865925
coth(3.09) = coth(177°02'38") = 1.0041494468396
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。