sarahdupree1428
sarahdupree1428 sarahdupree1428
  • 19-05-2017
  • Mathematics
contestada

Which expression is equivalent to cos(4a)?

Respuesta :

Aly0797 Aly0797
  • 19-05-2017
1-8sin^2 Acos^2A or 1-8sin^2A
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