"Find integral of \\( \\cos 2 x \\)"

Find the integral of the function $\frac{\cos 2x+2{\sin }^{2}x}{{\cos }^{2}x}$

Find the integral of the function $\frac{\cos 2x}{(\cos x+\sin x{)}^2}$

cos2x-cos2a/cosx-cosa find integral of this function

Find the integral of the function: $\frac{{\sin }^{3}x+{\cos }^{3}x}{{\sin }^{2}x{\cos }^{2}x}$

Find the integral of the function: $\frac{\cos 2x+2{\sin }^{2}x}{{\cos }^{2}x}$