Last edited by 青青子衿 at 2020-4-22 16:11:00(Function[{a, b, c},
ArcCos[(a^2 + b^2 - c^2)/(2 a*b)]/Degree // DMSString] @@@
Partition[#, 3, 1, 1]) & /@ {{5, 9, 7}, {4, 3, 6}, {5, 6, 7}}
(Function[{a, b, c},
ArcCos[(a^2 + b^2 - c^2)/(2 a*b)]/Pi*180 // DMSString] @@@
Partition[#, 3, 1, 1]) & /@ {{5, 9, 7}, {4, 3, 6}, {120, 192, 168}} |
