在三角形ABC中,角ABC的对边分别为abc且acosA=bcosB(1)若A=3π/8试求角B的大小 (2)若三角形的面积为根号3,且tanC+2csinA/a=0求a,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 14:26:20
![在三角形ABC中,角ABC的对边分别为abc且acosA=bcosB(1)若A=3π/8试求角B的大小 (2)若三角形的面积为根号3,且tanC+2csinA/a=0求a,](/uploads/image/z/7271518-22-8.jpg?t=%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92ABC%E7%9A%84%E5%AF%B9%E8%BE%B9%E5%88%86%E5%88%AB%E4%B8%BAabc%E4%B8%94acosA%3DbcosB%281%29%E8%8B%A5A%3D3%CF%80%2F8%E8%AF%95%E6%B1%82%E8%A7%92B%E7%9A%84%E5%A4%A7%E5%B0%8F+%EF%BC%882%EF%BC%89%E8%8B%A5%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA%E6%A0%B9%E5%8F%B73%2C%E4%B8%94tanC%2B2csinA%2Fa%3D0%E6%B1%82a%2C)
xSNQ~cbҦtaќ]@h+PIV̂PA
E"WCgw:Ecīzћ͜of֗
jg{\`Y;:ְvdH~I%po/MxrHA+Ό7ftZjv)i=d%@%IpI:5K3s(x(˲6NѴLX2T( /)9D(I=3DžC+ń_FG$>* *FD!7D>1\`]I˗&>FGNֽҲVPK0=ܩLBQĨ^Wif53=lkTUrz !Ah%|-
ٱJkfKMVykK`)onA1c@Elю5 e.w`k~3;/JvLA|Ctʱp2BDEP44s989^.(kg