• Jun 6, 2026 aturan sinus cosinus rac{b}{\sin B} \] \[ b = \frac{a \times \sin B}{\sin A} = \frac{8 \times \sin 45^\circ}{\sin 30^\circ} \] Karena \(\sin 45^\circ \approx 0.707\) dan \(\sin 30^\circ = 0.5\): \[ b = \frac{8 \times 0.707}{0.5} = \ By Candace Nicolas
