Question

Express the complex number in trigonometric form.

-2

Answer 1

I know it's in the 2nd quadrant and the angle is 63 degrees but when I do 180-63 to find it in the 2nd quadrant it gives me 117 and that's not one of my answer choices??

Answer 2

@cwrw238 will you help me please?

Answer 3

let complex number be z

z = -2 + 0i

= r( cosA + isinA) in polar form

where r = Sqrt(-2^2 + 0^1)

and A = arctan 0

Answer 4

2(cos 0° + i sin 0°) ?

Answer 5

right

Answer 6

ok thank you for the help

Answer 7

yw