Consider the following. -9i(4 + 4i) (a) Write the

Last updated: 8/13/2022

Consider the following. -9i(4 + 4i) (a) Write the trigonometric forms of the complex numbers. (Let 0 ≤ θ < 2π.) -9i = (4 + 4i) = (b) Perform the indicated operation using the trigonometric forms. (Let 0 ≤ θ < 2π.) (c) Perform the indicated operation using the standard forms, and check your result with that of part (b).