y=sin(x-π/4)在[0,π]上的单调增区间是

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y=sin(x-π/4)在[0,π]上的单调增区间是y=sin(x-π/4)在[0,π]上的单调增区间是y=sin(x-π/4)在[0,π]上的单调增区间是y=sin(x-π/4),由于x∈[0,π]

y=sin(x-π/4)在[0,π]上的单调增区间是
y=sin(x-π/4)在[0,π]上的单调增区间是

y=sin(x-π/4)在[0,π]上的单调增区间是
y=sin(x-π/4),由于x∈[0,π],则x-π/4∈[-π/4,3π/4],则原函数的增区间是[0,3π/4].

[0,3π/4]

π/4---3π/4

[0,3π/4]
sinx的单调递增区间【-π/2+2kπ,π/2+2kπ】当k取0时,就得到

(-π/4,π/2)