Try to solve these example problems. (Practice Solving) Obtain the general solution of dx - sin(x + 3) = 0 a. y = cos(x + 3) + C b. y = - cos(x + 2) + C C. y = - cos(x + 3) + C d. None of the above Obtain the general solution of dy = sec* y dx x2+1 a. 2y + sin 2y = 2In(x2 + 1) + C b. 2y + sin 2y = 4 Arctan x + C C. 2y + sin 2y = Arctan x + C d. None of the above