Find all solutions to the equation
in the interval [0, 2π). Enter the
solutions in increasing order.
cos 2x = cos x
X = [?],
Remember: cos 20 = cos²0 - sin²0
![Find all solutions to the equation in the interval 0 2π Enter the solutions in increasing order cos 2x cos x X Remember cos 20 cos0 sin0 class=](https://us-static.z-dn.net/files/d42/25f4233c0ecc525bec9178f4106dc62a.png)