Question

Express the complex number in trigonometric form.

-6i

choices:
6(cos 0° + i sin 0°)

6(cos 270° + i sin 270°)

6(cos 180° + i sin 180°)

6(cos 90° + i sin 90°)

Answer 1

@lgbasallote @A.Avinash_Goutham @amistre64 @cwrw238

Answer 2

6(cos 270° + i sin 270°)

Answer 3

z1 = 8(cos 40° + i sin 40°), and z2 = 4(cos 135° + i sin 135°)

Answer 4

12(cos 175° + i sin 175°) would that be the correct answer?

Answer 5

@03453660

Answer 6

i m tired a little please can you wait

Answer 7

how long?

Answer 8

just 2 mints

Answer 9

ok :)