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Maths-

General

Easy

Question

The mod-amplitude form of -4 is

$4 cis (\frac{- π}{2})$
$3 cis \frac{π}{2}$
$2 cis \frac{π}{2}$
$cis \frac{π}{2}$

The correct answer is: $4 cis invisible function application open parentheses fraction numerator negative pi over denominator 2 end fraction close parentheses$

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