X X X Use the 151 4 terms of the following sin x = x- +... to find the infinite series for 3! 5! 7! the following X - sin x 1. X X Use the 1st 3 terms of sin x = x - + 3! 5! 7! -+... to find the following: sin x 2. -dx =Use the 1st 3 terms of the following sin x = x- x X x + ... to * valuate the following 3! 5! 7! and find maximum possible error and the accuracy to how many decimal places: (4 pts) 3. sin 0.4 = (express the answer to the decimal places it's accurate to) Solve the following DE's for "y": 4. ay = 6X -7 @ (3,7) dx 5. (x+3)dy-(y-4)dx =0 @ (-2,1)