x= $$-\pi+\kappa,k\epsilon Z$$

x= $$-\frac{\pi}{2}+2\pi\kappa,\kappa\epsilon Z$$

x= $$\pi+\kappa,\kappa\epsilon Z$$

x= $$2\pi\kappa$$

x= $$\pi\kappa,\kappa\epsilon Z$$

x=0

x= $$2\pi\kappa,\kappa\epsilon Z$$

x= $$\pi+2\pi\kappa,\kappa\epsilon Z$$

x= $$\pi+\pi\kappa,\kappa\epsilon Z$$

x=1

x= $$-\pi+2\pi\kappa,\kappa\epsilon Z$$

x= $$2\pi\kappa,\kappa\epsilon Z$$

x= $$2\pi\kappa,\kappa\epsilon Z$$

x= $$\pi\kappa,\kappa\epsilon Z$$

x= $$\pi+2\pi\kappa,\kappa\epsilon Z$$

x=-1

x= $$2\pi\kappa,\kappa\epsilon Z$$

x= $$\frac{\pi}{2}+\pi\kappa,\kappa\epsilon Z$$

x=0

x= $$\pi\kappa,\kappa\epsilon Z$$

x= $$\pi+2\pi\kappa,\kappa\epsilon Z$$

x=a

x= $$\pm\arccos a+2\pi\kappa,\kappa\epsilon Z$$

x= $$\pm\pi\kappa,\kappa\epsilon Z$$

x=1

x= $$2\pi\kappa,\kappa\epsilon Z$$

x=a

x= $$\left(-1\right)^{\kappa}\arcsin a+\pi\kappa,\kappa\epsilon Z$$

x=arctga+ $$2\pi\kappa,\kappa\epsilon Z$$

x=arctga

x=a

x=arctga+ $$\pi\kappa,\kappa\epsilon Z$$

x=a

x= $$\pi+\pi\kappa,\kappa\epsilon Z$$

x=arcctga $$+\pi\kappa,\kappa\epsilon Z$$

x= $$2\pi\kappa,\kappa\epsilon Z$$

x=a

x= $$\pi+\pi\kappa,\kappa\epsilon Z$$

x=arcctga $$+\pi\kappa,\kappa\epsilon Z$$

x= $$2\pi\kappa,\kappa\epsilon Z$$