Дано sin альфа =0,6 найти cos tg и ctg

[latex]sin ^{2} \alpha +cos^{2} \alpha =1[/latex] [latex]cos \alpha = \sqrt{1-sin^{2} \alpha } = \sqrt{1-0.6^{2}}=0.8 [/latex] [latex]tg \alpha = \frac{sin \alpha }{cos \alpha } = \frac{0.6}{0.8}=0.75 [/latex] [latex]ctg \alpha = \frac{cos \alpha }{sin \alpha } = \frac{0.8}{0.6}=1 \frac{1}{3} [/latex]