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Mathematics
Mathematics
Problem
Determine an angle
α
\alpha
α
such that
0
≤
α
<
2
π
0 \le \alpha < 2\pi
0
≤
α
<
2
π
and
α
\alpha
α
is coterminal with
−
13
π
4
-\dfrac{13\pi}{4}
−
4
13
π
.
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