cherishxo
cherishxo cherishxo
  • 21-08-2021
  • Mathematics
contestada

Express cos9x cos3x as a sum of two trigonometry function ​

Respuesta :

chibunduoyibe
chibunduoyibe chibunduoyibe
  • 21-08-2021

Step-by-step explanation:

the answer is in the image above

Ver imagen chibunduoyibe
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