Question

Write the complex number in the form a + bi.

3(cos 60° + i sin 60°)

Answer 1

@Abhisar

Answer 2

@aum

Answer 3

Use the unit circle to evaluate cos(60) and sin(60)

Answer 4

\[
3(\cos 60° + i \sin 60°) = 3\left (\frac{\sqrt{3}}{2} + i\frac 12 \right ) =
\frac{3\sqrt{3}}{2} + i\frac {3}{2}
\]

Answer 5

i only see question mark symbols next to the numbers. did you type anything besides the question?

Answer 6

Refresh the page.

Answer 7

\[

3(\cos 60 + i \sin 60) = 3\left (\frac{\sqrt{3}}{2} + i\frac 12 \right ) =
\frac{3\sqrt{3}}{2} + i\frac {3}{2}
\]

Answer 8

oh i see so you just plugged in the unit circle values?

Answer 9

yes.

Answer 10

thank you so much!

Answer 11

do you think you could help me with another one