1) 3sin(π/2-π)-√3=02) 3ctg(π/2+x)-√3=0

1е: 3*sin(π/2 + π) - [latex]\sqrt{3}[/latex] = 0 3*cos(π) = [latex]\sqrt{3}[/latex] cos(π) = [latex]1/\sqrt{3}[/latex] -1 = [latex]1/\sqrt{3}[/latex], неверно решений нет 2е: 3*ctg(π/2 + x) - [latex]\sqrt{3}[/latex] = 0 -3*tg(x) = [latex]\sqrt{3}[/latex] tg(x) = [latex]-1/\sqrt{3}[/latex] x = 5π/6 + πn, n∈Z