Question

ctg x < -(1/корень 3)

Answer 1

$ctgx<-frac{1}{sqrt3}; ; ,; ; ctgx<-frac{sqrt3}{3}qquad Big (ctgfrac{2pi }{3}=-frac{sqrt3}{3} ; Big )\\frac{2pi }{3}+pi n<x<pi +pi n; ,; ; nin Z$