Find all solutions of the equation in the interval [0, 2n). 2 cos 40 cos 20 + 2 sin 40 sin 20 = -V/2 Write your answer in radians in terms of . If there is more than one solution, separate them with commas. O JT 0,0,... X 5Find all solutions to the equation. 3 -2 sin x =2 sin Write your answer in radians in terms of it, and use the "or" button as necessary. Example: X = +2kn, ke Z orx = = +hn, keZ Help with 5 this notation x = KI,KEZ X 5 ?Find all solutions of the equation in the interval [0, 2n). CSCX = -V 1 + cotx Write your answer(s) in radians in terms of It. If there is more than one solution, separate them with commas. x = ] 0,O,... X ?Suppose a projectiie is red from a cannon with velocity 1'0 and angle of elevation 9. The horizontal distance R (6) it travels (in feet) is given by the following. 2 . (110) 311128 R (9) : 32 If 1'0 : 160 ft/s, what angle 9 (in radians) should be used to hit a target on the ground 431 feet in front of the cannon? Do not round any intermediate computations, and round your answer(s) to the nearest hundredth of a radian. {If there is more than one answer, enter additional answers with the "or" button.) e:|]rad