In this article we will learn about Compound Angle

Compound Angle |

**Sin(A+B)= SinACosB+CosASinB****Sin(A-B)= SinACosB-CosASinB****Cos(A+B)= CosACosB-SinASinB****Cos(A-B)= CosACosB+SinASinB****Sin(A+B)Sin(A-B)= Sin²A-Sin²B=Cos²B-Cos²A****Cos(A+B)Cos(A-B)= Cos²A-Sin²B=Cos²B-Sin²A****Tan(A+B)= (TanA+TanB)/(1-TanATanB)****Tan(A-B)= (TanA-TanB)/(1+TanATanB)****Cot(A+B)= (CotACotB-1)/(CotB+CotA)****Cot(A-B)= (CotACotB+1)/(CotB-CotA)****Tan(A+B+C)= (TanA+TanB+TanC-TanATanBTanC)/(1-TanATanB-TanBTanC-TanCTanA)**

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