7. Use De Moivre's Theorem to find the indicated power of the complex number. Write your answer in standard form. 13 ( cos 15 4 + isin 4 8. Upload a picture of your hand-drawn polar curve: r =2+2sine 9. An airplane is flying on a bearing of 80" at 540 mph. A wind is blowing with the bearing 100 at 55 mph. a. Find the component form of the velocity of the airplane. b. Find the actual speed and direction of the airplane