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## Kiran89 one year ago how two add two signal with two different frequency

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1. S.H.Aditya

Consider this $A \cos 2\pi f1+A \cos 2\pi f2$Summing or superimposing them gives the result as $2A \cos 2\pi \frac{ f1-f2 }{ 2 }\cos 2\pi \frac{ f1+f2 }{ 2 }$This is a result of simple trigonometric manipulation.

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