12(cos 60 + i sin 60)

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12(cos60+isin60)=12(1/2+i√3/2)=6+6i√3=6(1+i√3).

This complex number can be represented by the hypotenuse of a right-angled triangle where x=6 and y=6√3 the real and imaginary components. The angle of the hypotenuse is 60 degrees:

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