- #1

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## Homework Statement

how can i convert this : - 2 (cos pai / 4 + i sin pai / 4 ) to Cartesian , Polar and Exponential form ?

## Homework Equations

z = ( a + i b)

## The Attempt at a Solution

r= -2

tan inverse = pai/4 / pai/4

??

Thank you very much for helping me out