4+3sin^2x/cos^2x*cos^2x=4+3sin^2x=4+3*0,09=4+0,27=4,27
4+3sin^2x/cos^2x*cos^2x=4+3sin^2x=4+3*(0.3)^2=4.27
4+3sin^2x/cos^2x*cos^2x=4+3sin^2x=4+3*0,09=4+0,27=4,27
4+3sin^2x/cos^2x*cos^2x=4+3sin^2x=4+3*(0.3)^2=4.27