Write complex number in standard form. 5 cis 210 degrees.
Need help on this i tried and got the wrong answer resulting in -5 root 3/2+ 5i/2
2026-05-16 02:36:50.1778899010
Write complex number in standard form. 5 cis 210 degrees
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Hints:
In what quadrant is $210^{\circ}$ located in the unit circle? How would that affect the signs in $\cos$ and $\sin$?
Is there a reference angle for $210^{\circ}$? If so, can you use those angles to your advantage?