6sin(150°) cos(150°)
_______________
cos^2(30°)-sin(30°)

sin 150°=0,5cos 150°=-0.866025403786*sin 150°*cos 150°=-2.59807621135cos^2 30°=0,75sin 30°=0,5cos^2 30°-sin 30°=-0,256*sin 150°*cos 150° / cos^2 30°-sin 30°=10.3923048454