karkirita669
karkirita669 karkirita669
  • 31-08-2019
  • Mathematics
contestada

(2cosx+1)(2cosx-1)(2cos2x-1)=2cos4x+1​

Respuesta :

kosala1478
kosala1478 kosala1478
  • 31-08-2019

Answer:

see the answer and it's steps in the attached pic:-)

i have also attached a simpler way for u to understand

Ver imagen kosala1478
Ver imagen kosala1478
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