Решите способом введения дополнительного аргумента уравнение:
1)sinx-cosx=[tex]\sqrt{\frac{3}{2} }[/tex]
2)sin2x+cos2x+1=0
3)[tex]\sqrt{2}[/tex]sinx=2-[tex]\sqrt{2}[/tex]cosx
4)[tex]\sqrt{3}[/tex]sin2x+cos2x=[tex]\sqrt{3}[/tex]
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