Tg(x/3-p/4)=-1 плиз

[latex]tg( \frac{x}{3} - \frac{ \pi }{4} )=-1[/latex] [latex] \frac{x}{3} - \frac{ \pi }{4}=arctg(-1)+ \pi n, [/latex]n∈Z [latex] \frac{x}{3}- \frac{ \pi }{4} =-arctg1[/latex]+πn, n∈Z [latex] \frac{x}{3} - \frac{ \pi }{4} =- \frac{ \pi }{4} + \pi n,[/latex]n∈Z [latex] \frac{x}{3} =0+ \pi n,[/latex]∈Z |*3 x=3πn, n∈Z