Modulus and argument

Find the mod z and argument z if z=i

Correct answer:

m =  1
a =  1.5708

Step-by-step explanation:

z=i m=z=Re2 z+Im2 z m=02+12=1
a=argz a=arctanIm zRe z=arctan10 a=π/2=3.1416/2=1.5708



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