4+0i Express in polar form
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Polar Form of a Complex Number
The polar form of a complex number is another way to represent a complex number. ...
The horizontal axis is the real axis and the vertical axis is the imaginary axis. ...
r2=a2+b2.
Multiplying each side by r :
Substitute the values of a and b .
z=a+bi =rcosθ+(rsinθ)i =r(cosθ+isinθ)
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