shjhshds shjhshds
  • 03-10-2021
  • Mathematics
contestada

Prove that:
[tex]1+2cos2A + cos 4A = 4cos^{2}Acos2A[/tex]

Respuesta :

charlenethm charlenethm
  • 03-10-2021
the provided equation is an identity.
Answer Link

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