Сколько будет 1/√ctgx ?

[latex] \frac{1}{ \sqrt{ctgx} } = \sqrt{ \frac{1}{ctgx} } [/latex] [latex]ctgx= \frac{cosx}{sinx} [/latex] [latex] \frac{1}{ctgx} = \frac{1}{ \frac{cosx}{sinx} } = \frac{sinx}{cosx} [/latex] [latex] tgx=\frac{sinx}{cosx} [/latex] [latex] \sqrt{ \frac{1}{ctgx} } = \sqrt{tgx} [/latex]