yuryur0061 yuryur0061
  • 08-02-2020
  • Mathematics
contestada

Will mark brainliest.
Find cos(a-(π/4)), if cos(a)= -(1/3)

Respuesta :

jayrod185
jayrod185 jayrod185
  • 08-02-2020

Answer:

Step-by-step explanation:

[tex]cos(\frac{-1}{3}-\frac{\pi }{4})[/tex]

[tex]cos(\frac{-4}{12}-\frac{3\pi }{12})[/tex]

[tex]cos(\frac{-13.42}{12})[/tex]  = 0.44 <- rounded to the nearest hundredth

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