in triangle ABC right angled at B AB=3cm and AC=6cm.find angle A and angle C Share with your friends Share 1 Rishabh Mittal answered this cos A=BaseHypotenuse=ABACcos A=36cos A=12cos A=cos 60°A=60°sin C=PerpendicularHypotenuse=ABACsin C=36sin C=12sin C=sin 30°C=30° 2 View Full Answer Dr. Utkarsh Jindal answered this Angle A = 60 Angle C = 30 1