Show that `y=a cos(log x)+b sin(log x)` is a solution of the differential equation `x^2(d^2y)/... - YouTube
Example 29 - Prove cos2 x + cos2 (x + pi/3) + cos2 (x - pi/3)
Use a graphing utility to approximate the solutions (to three decimal places) of the equation in the given interval. 4cos^2x-2sinx+1=0 , (-pi/2, pi/2) | Homework.Study.com