A+B+C =
CODA +coB - cos C = -1 + 4COS A/2 COS B/2 sin C/2...
Mathematics, 11.06.2020 13:57 youdontknowme8989
A+B+C =
CODA +coB - cos C = -1 + 4COS A/2 COS B/2 sin C/2
Answers: 3
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