Which of the following are the solutions of cos ~ + x|+ sin|2 + x|= 0 on the interval [0, 2n)? O w/X * 3x Oo Question 19 (5 points) Which of the following are the solutions of cot' x + 2 = 2 csc x on the interval [0, 2n)? O X 3x ' 2 C 2xu7+ * S O O O [ =YS05 - YUBIY S0)Solve 4 + 2 sinx = 14 - 8 sinx for 0 S x $ 180. 60 90 45 Question 4 (5 points) sin x Simplify sec x + 1 cotx - cotx cos x O cotx + cotx cos x cotx - cotx sin x OO sin x cos x + sinx Question 5 (5 points) What basic trigonometric identity would you use to verify that sin x + cos-x = sec x? COS X sinx = CSC X 1+ cot x = csc'x cos x + sin'x = 1 1 O COS X = sec x