高中三角函数所有公式常用公式有哪些
2025-10-07
两角和公式 sin(A+B) = sinAcosB+cosAsinB sin(A-B) = sinAcosB-cosAsinB cos(A+B) = cosAcosB-sinAsinB cos(A-B) = cosAcosB+sinAsinB tan(A+B) = (tanA+tanB)/(1-tanAtanB) 扩展资料 tan(A-B) = (tanA-tanB)/(1+tanAtanB)...
2025-10-07
两角和公式 sin(A+B) = sinAcosB+cosAsinB sin(A-B) = sinAcosB-cosAsinB cos(A+B) = cosAcosB-sinAsinB cos(A-B) = cosAcosB+sinAsinB tan(A+B) = (tanA+tanB)/(1-tanAtanB) 扩展资料 tan(A-B) = (tanA-tanB)/(1+tanAtanB)...