Adding Sine Functions

• sin(A+B) = sinAcosB + sinBcosA

• sin(AñB) = sinAcosB ñ sinBcosA

• Adding.........

• sin(A+B) + sin(AñB) = 2sinAcosB

• Rearranging.........

• sinAcosB = 1/2[sin(A+B) + sin(AñB)]

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