Chemical Engineering > GATE 2016 > Complex Numbers
What are the modulus (r) and argument (θ) of the complex number 3 + 4i?
A
(A) r = 5, θ = tan-1(4/3)
B
(B) r = 5, θ = tan-1(3/4)
C
(C) r = 7, θ = tan-1(4/3)
D
(D) r = 7, θ = tan-1(3/4)

Correct : d

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