Tg^2 60(градусов)+Sin^2 60(градусов)

tg 60 = [latex] \sqrt{3} [/latex] [latex] tg^{2} 60 = 3[/latex] sin 60 = [latex] \frac{ \sqrt{3} }{2} [/latex] [latex] sin^{2} = \frac{3}{4} [/latex] 3 + [latex] \frac{3}{4} [/latex] = 3 [latex] \frac{3}{4} [/tex