Revision history of "Translations:Dictionary:Beat frequency/2/es"

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  • (cur | prev) 14:02, 15 December 2017Juanseb0219 (talk | contribs). . (115 bytes) (+115). . (Created page with "<center><math> cos{(2\pi A t)} cos{(2\pi B t)} = \frac{cos{(2\pi[A+B]t) + cos{(2\pi [A-B]t}})}{2} </math> </center>")