Question

write in polar form z=-10+root11i​

Answer 1

Step-by-step explanation:

z = r ( cos@ + i sin@ ) = x + iy

where, tan@ = y / x

and, r = √(x^2 + y^2 )

So, r = √111 , tan@ = -√11 / 10

z = √111 [ cos( {tan}^{-1} (-√11/10)) + i sin(tan^-1 (-√11/10)) ]

Ans.

Hope you get it. Best of luck buddy.