The expression cos - cos + sin sin can be rewritten as which of the following? 2 2 3 O cos O 5 It cos 6 O sin 6 O sin 6Find the exact value of cos 255 O V3 - VZ 2 O V2- V6 4 O V2 + V6 4 O V4 2Given that c056 = i and that 9 lies in Quadrant IV, what is the exact value of sin 29? 13 O 120 a 0% 13 O_2_4 13 O 120 _ To determine the value of tan 7 x , which identity could be used? 12 7 x 1+ cos I. 6 7 1 sin 6 7 x sin II. 6 7 x 1+ Cos 6 7 n 1- COs III. 6 1+ cos 6 I only ll and Ill only I and Ill only I, II, and III\fWhich of the following is not a solution to sin x - cos 2x = O on the interval [0, 2n)