[1.2/5.88 Points) Consider the following. 20 M 51- 20- DETAILS Square roots of 7(cos 120 i sin 120) (a) Use the formula - V(cos+360+in+360) to find the indicated roots of the complex number. (Enter your answers in trigonometric form. Let 0360%) (b) Write each of the roots in standard form In (c) Represent each of the roots graphically. Imaginary -3 PREVIOUS ANSWERS Type here to search N axis 3r 2 ******** O N LARPCALC10 6.6.071. e Real 3 axis 9 G MY NOTES Imaginary axis ASK YOUR TEACHER PRACTICE AN Real 3 axis de 413 P 3/1600