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5 votes
What is the reference angle for 5π/3

1 Answer

4 votes
Since the angle 5π33 is in the fourth quadrant, the reference angle formula is:
Ar=AcAr=-Ac
Ar
=3
Ar=-3

Simplify the right side of the equation:
Ar=3Ar=-3
Answer: π3
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User Rofrol
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