How do you add #(8+9i)+(-4+6i)# in trigonometric form?
1 Answer
Mar 16, 2018
# (8+9i)+(-4+6i) = 4+15i #
Explanation:
Whilst we could convert each complex number into trigonometric forms, it would be cumbersome to do so, instead we just expand the expression and collect real and imaginary terms:
# (8+9i)+(-4+6i) = (8-4)+(9i+6i) #
# " " = 4+15i #
