nng866923nhlakanipho nng866923nhlakanipho
  • 04-07-2021
  • Mathematics
contestada

determine the general solution of cos2X -7cosX -3=0​

Respuesta :

xiaoshuai926 xiaoshuai926
  • 04-07-2021

Answer:

x=2pi/3 +2pi n, 4pi/3 +2pi n for all integar of n.

Step-by-step explanation:

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