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Trigonometry
medium
0:00.0
Convert
210
∘
210^\circ
21
0
∘
to radians.
A
5
π
/
6
5\pi/6
5
π
/6
B
7
π
/
6
7\pi/6
7
π
/6
C
4
π
/
3
4\pi/3
4
π
/3
D
3
π
/
2
3\pi/2
3
π
/2
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