長度 角度 正弦 比率
\(a=\)5 \(A=\)44.4\(^{\circ}\) \(\sin A=\)0.6999 \(\frac{a}{\sin A}=\)7.144
\(b=\)6 \(B=\)57.1\(^{\circ}\) \(\sin B=\)0.9798 \(\frac{b}{\sin B}=\)7.144
\(c=\)7 \(C=\)78.5\(^{\circ}\) \(\sin C=\)0.8398 \(\frac{c}{\sin C}=\)7.144