Question

Can someone just check my answer???

Answer 1

Express the complex number in trigonometric form.

3 - 3i

Answer 2

Hang on I'm typing my answer

Answer 3

three square root two times the quantity cosine of seven pi divided by four plus i times sine of seven pi divided by four

three square root two times the quantity cosine of five pi divided by four plus i times sine of five pi divided by four

I know it is one of those but I don't know if it is 5pi or 7pi

Answer 4

three square root two times the quantity cosine of seven pi divided by four plus i times sine of seven pi divided by four

Answer 5

Thanks!!