1、两角和公式sin(A+B) = sinAcosB+cosAsinBsin(钽吟篑瑜A-B) = sinAcosB-cosAsinBcos(A敫苻匈酃+B) = cosAcosB-sinAsinBcos(A-B) = cosAcosB+sinAsinB
三角函数公式
时间：2024-10-12 04:58:501、两角和公式sin(A+B) = sinAcosB+cosAsinBsin(钽吟篑瑜A-B) = sinAcosB-cosAsinBcos(A敫苻匈酃+B) = cosAcosB-sinAsinBcos(A-B) = cosAcosB+sinAsinB