How do you find the reference angle for $-(11pi)/3$ ?

1 Answer

Aug 15, 2016

$pi/3$

Explanation:

Use the unit circle -->
Reference angle of $(-11pi)/3$ is the same as reference angle of $(-5pi/3 - 2pi).$
Reference angle (or arc) of $(-5pi)/3$ is $(pi/3)$ (co-terminal)

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How do you find the reference angle for $-(11pi)/3$ ?

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How do you find the reference angle for -(11pi)/3-(11pi)/3?

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How do you find the reference angle for $-(11pi)/3$ ?