ctg570=ctg(540+30)=ctg30=√3
sin300=sin(360-60)=-sin60=-√3/2
cos3630=cos(3600+30)=cos30=√3/2
ctg570+√3(sin300-cos3630)=√3+√3(-√3/2-√3/2)=
=√3+3
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ctg570=ctg(540+30)=ctg30=√3
sin300=sin(360-60)=-sin60=-√3/2
cos3630=cos(3600+30)=cos30=√3/2
ctg570+√3(sin300-cos3630)=√3+√3(-√3/2-√3/2)=
=√3+3