Mathematics, 21.10.2019 14:20 markusblazer
Find the trigonometric form of the complex number -3+2i
Answers: 3
![\large\begin{array}{l}\bullet~~\textsf{3}\mathsf{^{rd}}\textsf{ step: Express z in the trigonometric form:}\\\\ \begin{array}{rcl} \mathsf{z}&\!\!=\!\!&\mathsf{|z|\cdot (cos\,\theta+i\cdot sin\,\theta)}\\\\ \mathsf{-3+2i}&\!\!\approx \!\!&\mathsf{\sqrt{13}\cdot \big[cos(146.31^\circ)+i\cdot sin(146.31^\circ)\big]\qquad\quad\checkmark} \end{array} \end{array}](/tpl/images/0338/2819/7266a.png)
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