已知sinA=0.4561,则锐角A≈_____(精确到0.01°); 已知cosA=0.3638,则锐角A≈_____(精确到0.01°).

问题描述:

已知sinA=0.4561,则锐角A≈_____(精确到0.01°); 已知cosA=0.3638,则锐角A≈_____(精确到0.01°).

27.1° 68.7°