Question

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

Answer 1

Answer:

Step-by-step explanation:

$cos(\frac{-1}{3}-\frac{\pi }{4})$

$cos(\frac{-4}{12}-\frac{3\pi }{12})$

$cos(\frac{-13.42}{12})$  = 0.44 <- rounded to the nearest hundredth