Anyways Modulus=5
argument=-Tan-1(4/3)
3 Answers
Manmay kumar Mohanty
·2010-04-21 22:40:27
yup argument of a complex number x + iy is given by tan-1yx
in the given complex no. hence argument is given as tan-1(- 43)
and modulus of a complex no. x + iy is given by √x2+y2 hence modulus of given complex no. is √32+42 = 5
hence ur answer [1]