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What is the reference angle for 5π/3

User MartinDuo
by
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1 Answer

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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
User Rofrol
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