Chapman2588 Chapman2588
  • 23-01-2024
  • Mathematics
contestada

The difference between the greatest and least values of the function f (x) = cos x + 1/2 cos 2x − 1/3 cos 3x is :
A. 2/8
B. 8/7
C. 9/4
D. 3/8

Respuesta :

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