Answer
To convert a complex number z=x+yi from standard form into trigonometric form, use the relationships r = $\sqrt (x^{2}+y^{2})$ and $tan \theta = \frac{y}{x}$ keeping in mind the quadrant that the graph of z lies in.
Work Step by Step
To convert a complex number z=x+yi from standard form into trigonometric form, use the relationships r = $\sqrt (x^{2}+y^{2})$ and $tan \theta = \frac{y}{x}$ keeping in mind the quadrant that the graph of z lies in.