在△ABC中,角A.B.C所对的边分别是a.b.c,设S为△ABC的面积,满足S=(根号3)/4(a²+b²-c²1.求角C的大小2.求sinA+sinB的最大值
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 09:02:48
![在△ABC中,角A.B.C所对的边分别是a.b.c,设S为△ABC的面积,满足S=(根号3)/4(a²+b²-c²1.求角C的大小2.求sinA+sinB的最大值](/uploads/image/z/6714403-43-3.jpg?t=%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2C%E8%A7%92A.B.C%E6%89%80%E5%AF%B9%E7%9A%84%E8%BE%B9%E5%88%86%E5%88%AB%E6%98%AFa.b.c%2C%E8%AE%BES%E4%B8%BA%E2%96%B3ABC%E7%9A%84%E9%9D%A2%E7%A7%AF%2C%E6%BB%A1%E8%B6%B3S%3D%EF%BC%88%E6%A0%B9%E5%8F%B73%EF%BC%89%2F4%EF%BC%88a%26sup2%3B%2Bb%26sup2%3B-c%26sup2%3B1.%E6%B1%82%E8%A7%92C%E7%9A%84%E5%A4%A7%E5%B0%8F2.%E6%B1%82sinA%2BsinB%E7%9A%84%E6%9C%80%E5%A4%A7%E5%80%BC)
xTMo@+9PALK1'pG9BQIVGXjMBJ$
ʧ{ȳ6'vD+תR/,;f潷MSPNw5e8*'vYL|/s
g"k닦3dpwY5ˤ>cpM()tet y=
EJ{t2&5˨fRy5lb*'v'z{
#?kul&峕euv?O˶uHoK(焘|hum!
k6``QrAWj>I܍&d* S8QAA}kB,~}?H\H7J9yQ+<4p}٢"+$;5?S |YY$5,-UQ,հ