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Math Drills
Complex numbers
The complex plane
Practice 1
Complex numbers
The complex plane
1 / 5
Standard
Find the argument θ (−π < θ ≤ π) of the complex number.
arg
(
−
1
+
3
i
)
\arg\left(-1 + \sqrt{3}i\right)
ar
g
(
−
1
+
3
i
)
1
π
3
\frac{\pi }{3}
3
π
2
5
π
6
\frac{5\pi }{6}
6
5
π
3
2
π
3
\frac{2\pi }{3}
3
2
π
4
−
2
π
3
\frac{-2\pi }{3}
3
−
2
π
Answer
