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21-05-2018
Mathematics

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Which of the following angles is coterminal with -4pi/3?

-2pi/3
-pi/3
pi/3
2pi/3

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cdw2014 cdw2014

21-05-2018

Coterminal angles are angles that end in the same position on a unit circle.

We can find angles that are coterminal to -4pi/3 by adding and subtracting 2pi.

-4pi/3 + 2pi = 2pi/3

The answer is 2pi/3

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