SOLUTION: Convert {{{-1-i}}} from standard form to trigonometric form. Enter your answer in degrees. Use cosθ + isinθ notation Thank you.

Algebra ->  Trigonometry-basics -> SOLUTION: Convert {{{-1-i}}} from standard form to trigonometric form. Enter your answer in degrees. Use cosθ + isinθ notation Thank you.      Log On


   

Question 984810: Convert -1-i from standard form to trigonometric form.
Enter your answer in degrees.
Use cosθ + isinθ notation
Thank you.
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!

-1-i = sqrt%282%29.%28-sqrt%282%29%2F2+-+%28sqrt%282%29%2F2%29%2Ai%29 = sqrt%282%29.%28cos%28-3pi%2F4%29+%2B+i%2Asin%28-3pi%2F4%29%29 = sqrt%282%29.%28cos%285pi%2F4%29+%2B+i%2Asin%285pi%2F4%29%29 = sqrt%282%29*(cos(225°) + i*sin(225°)).