Find the product of the complex numbers. Leave your answer in polar form. Z₁ = 4( cos 85° + i sin 85°) Z₂ = 8( cos 55° + i sin 55°) O 2₁22=(cos+ +isin) 3203 (Simplify your answer. Use integers or fractions for any numbers in

Plot the complex number on the complex plane and write it in polar form and in exponential form. AImaginary axis 12- - 8 +9 i 10– Plot the complex number on the complex plane. Real axis Write the complex number -8 +9 i in polar form. Select the correct choice below 40 12 and fill in the answer box(es) within your choice. (Simplify your answer. Type an exact answer for r, using radicals as needed. Type any angle measures in radians, rounding to three decimal places as needed. Use angle measures greater than or equal to 0 and less than 2n.) -121-10 -8 -4 to O A. z= V145 (cos 2.297 + i sin 2.297 40 (sin + i sin) 42 B. Z= C. Z= cos + i cos O D. z= (sin + i cos) Write the complex number - 8+ 9 i in exponential form. i 2.297 z= /145 e (Simplify your answer. Type an exact answer for r, using radicals as needed. Type any angle measures in radians, rounding to three decimal places as needed. Use angle measures greater than or equal to 0 and less than 2n.)

Find two square roots for the following complex number. Leave your answers in trigonometric form. 49 cis 7T Wo = W₁ = Graph the two roots. -10 -8 -6 -4 -2 O Need Help? Read It y -10 -8 -6 -4 -2 10 8 6 4 2 -2 -4 -6 -8 -10 y 10 8 6 4 2 -2 -4 -6 -8 -10 Watch It 2 L 2 L X 468 10 4 6 8 X 10 O -10 -8 -6 -4 -2 y 10 r 8 -10 -8 -6 -4 -2 6 4 2 -2 -4 -6 -8 -10 y 10 r 8 6 4 2 -2 -4 -6 -8 -10 2 X 468 10 X 246 8 10