MegantheTurtle
MegantheTurtle MegantheTurtle
  • 10-01-2018
  • Mathematics
contestada

cos(a-b)cos(a+b)=cos^2(a)-sin^2(b)

Respuesta :

srcamacho0830 srcamacho0830
  • 21-10-2019

Answer:

Sure

Step-by-step explanation:

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