Find the general solution of the following equation:

$4{\cos }^{2}x=1$

Find the general solution of the following equation:

$4{\sin }^{2}x-3=0$

Find the general solution of the following equation:

${\tan }^{2}x=1$

Find the general solution of the following equation:

$\cos 3x=\cos 2x$

Find the general solution of the following equation:

$\cos 5x=\sin 3x$

Find the general solution of the following equation:

$\cos mx=\sin nx$

Find the general solution of each of the following equations:

$\sin x=\tan x$

Find the general solution of the following equation:

$4\sin x\cos x+2\sin x+2\cos x+1=0$

Find the general solution of the equation ${\sec }^{2}2x=1-\tan 2x$