3 years ago

Which of the following best explains why cos2pi/3 is not equal to cos5pi/3?

Mathematics

2 answers:

const2013 [10]3 years ago

6 0

Answer: the angles do not have the same reference angle.

Step-by-step explanation:

NNADVOKAT [17]3 years ago

3 0

Answer:

it is B) Cosine is negative in the second quadrant and positive in the fourth quadrant.

Step-by-step explanation:

just took the test on edg:)

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