Question

Find the angle between z and iz in degrees.

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Answer 1

$\frac{iz}{z}$ = $e^{i\theta }\times |$$\frac{iz}{z}$$|$
i = $e^{i\theta }$
$\Rightarrow$$e^{i\theta }$ = i
$\Rightarrow$$\theta$ = $\frac{\pi }{2}$ = ${90}^{\circ }$