sinx-cosx= -√2 Делим на √2
1/√2sinx - 1/√2cosx = -1
sin(x-pi/4) = -1
x-pi/4 = -pi/2+2pi*k
x= -pi/4+2pi*k
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sinx-cosx= -√2 Делим на √2
1/√2sinx - 1/√2cosx = -1
sin(x-pi/4) = -1
x-pi/4 = -pi/2+2pi*k
x= -pi/4+2pi*k