Question

write each complex number in rectangular form. plot and label (with a-b) each point on the polar axis below.

a. 2(cos(135)+i sin(135))

b. 3(cos(120))+i sin(120))

c. 5(cos(5pi/4)+i sin(5pi/4))

d. 4(cos(5pi/3)+i sin (5pi/3))

Answer 1

I got -2/sqrt2 + i 1/sqrt2 for A is that right?