Polar Form of Complex Number/Examples/6 cis 240
Jump to navigation
Jump to search
Example of Polar Form of Complex Number
The complex number $6 \paren {\cos 240 \degrees + i \sin 240 \degrees}$ can be expressed as:
- $6 \paren {\cos 240 \degrees + i \sin 240 \degrees} = 6 \cis 240 \degrees = 6 \cis \dfrac {4 \pi} 3 = 6 e^{4 \pi / 3}$
and depicted in the complex plane as:
Sources
- 1981: Murray R. Spiegel: Theory and Problems of Complex Variables (SI ed.) ... (previous) ... (next): $1$: Complex Numbers: Solved Problems: Polar Form of Complex Numbers: $17 \ \text {(a)}$