2 years ago

What is the negative angle that is coterminal with 120∘120∘. write your answers in radians?

1 answer:

8 0

To find a positive and a negative angle coterminal with a given angle, you can add and subtract 360°.

$120^o-360^o=-240^o=-\dfrac{240\pi}{180}=-\dfrac{4\pi}{3}$

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