双曲正割表(弧度)
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sech(3.00) = sech(171°53'14") = 0.0993279274194332
sech(3.01) = sech(172°27'37") = 0.0983444130905976
sech(3.02) = sech(173°01'59") = 0.0973705430393269
sech(3.03) = sech(173°36'22") = 0.0964062254738261
sech(3.04) = sech(174°10'45") = 0.0954513693934612
sech(3.05) = sech(174°45'07") = 0.0945058845844459
sech(3.06) = sech(175°19'30") = 0.0935696816154694
sech(3.07) = sech(175°53'52") = 0.0926426718332668
sech(3.08) = sech(176°28'15") = 0.0917247673581373
sech(3.09) = sech(177°02'38") = 0.0908158810794126
支持0°到360°范围内的数值计算，提供最大值标记（0°处为1），可显示双曲正割钟形曲线图。支持导出计算结果为CSV格式。