10
QuizMultiple Choice

Add and Subtract Complex Numbers — Quiz

Question 10 • Math 4

Consider w is equal to the fraction with numerator square root of 2 and denominator 2 times open paren cosine of open paren 225 degrees close paren plus i sine open paren 225 degrees close paren close paren and z is equal to 1 times open paren cosine of open paren 60 degrees close paren plus i sine open paren 60 degrees close paren close paren What is w plus z expressed in rectangular form?

Answer
A
the fraction with numerator square root of 3 minus 1 and denominator 4 i
B
the fraction with numerator square root of 3 plus 1 and denominator 4 i
C
the fraction with numerator square root of 3 minus 1 and denominator 2 i
D
the fraction with numerator square root of 3 plus 1 and denominator 2 i