sech(0.1000000 rad)=
sech(5°43'46")=
0.9950207489532300548711851342
sech(0.1017459 rad)=
sech(5°49'46")=
0.9948461191132460791912911119
sech(0.1034918 rad)=
sech(5°55'46")=
0.9946685191745635326102081758
sech(0.1052377 rad)=
sech(6°01'46")=
0.994487951809972666284999949
sech(0.1069836 rad)=
sech(6°07'46")=
0.9943044197357467061552510557
sech(0.1087295 rad)=
sech(6°13'47")=
0.9941179257115543130025952568
sech(0.1104754 rad)=
sech(6°19'47")=
0.9939284725403310108134191836
sech(0.1122213 rad)=
sech(6°25'47")=
0.9937360630681985718397911606
sech(0.1139672 rad)=
sech(6°31'47")=
0.9935407001843532628771696376
sech(0.1157131 rad)=
sech(6°37'47")=
0.99334238682097237621289717