2) (sin(x)-1*(3cos(-2x)-4)=0
(sin(x)-1)*(3cos(2x)-4)=0
sin x-1=0
3cos(2x)-4=0
x=π/2+2kπ, k∈Z
x∈∅
ответ x=π/2+2kπ, k∈Z
на фото.................
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2) (sin(x)-1*(3cos(-2x)-4)=0
(sin(x)-1)*(3cos(2x)-4)=0
sin x-1=0
3cos(2x)-4=0
x=π/2+2kπ, k∈Z
x∈∅
ответ x=π/2+2kπ, k∈Z
на фото.................