Question

Express the complex number in trigonometric form. (1 point)

2i

2(cos 0° + i sin 0°)
2(cos 180° + i sin 180°)
2(cos 270° + i sin 270°)
2(cos 90° + i sin 90°)

Answer 1

@misty1212

Answer 2

cmon now

Answer 3

which one has 0 for cosine and \(-1\) for sine?

Answer 4

c?

Answer 5

yes

Answer 6

oh wait hold the phone!

Answer 7

it is \(2i\) not \(-2i\)

Answer 8

which one has 0 for cosine and 1 for sine?

Answer 9

B

Answer 10

@misty1212

Answer 11

no

Answer 12

\[\cos(180)=-1\] not zero

Answer 13

then D

Answer 14

yes