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slevo2216
@slevo2216
July 2022
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(sinx+1)*(cos2x-1)=0
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Verified answer
Произведение =0, если любой из множителей =0
sin(x) = -1 ---> x = (-π/2) + 2π*n, n∈Z
cos(2x) = 1 ---> 2x = 2π*k, k∈Z ---> x = π*k, k∈Z
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Answers & Comments
Verified answer
Произведение =0, если любой из множителей =0sin(x) = -1 ---> x = (-π/2) + 2π*n, n∈Z
cos(2x) = 1 ---> 2x = 2π*k, k∈Z ---> x = π*k, k∈Z