根据正弦定理
b/sinB=a/sinA
所以 sin B=1/2
B=30度
∠C=180-30-45=105°
sinC=sin105°
=sin(60+45)
=sin60cos45+cos60sin45
=(√6+√2)/4
又因为 a/sinA=c/sinC
c=2√2*(√6+√2)/4
=1+√3
根据正弦定理
b/sinB=a/sinA
所以 sin B=1/2
B=30度
∠C=180-30-45=105°
sinC=sin105°
=sin(60+45)
=sin60cos45+cos60sin45
=(√6+√2)/4
又因为 a/sinA=c/sinC
c=2√2*(√6+√2)/4
=1+√3