y=1-sin2x的单调区间

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y=1-sin2x的单调区间

y=1-sin2x的单调区间
y=1-sin2x的单调区间

y=1-sin2x的单调区间
y=sin2x
增区间 2kπ-π/2<=2x<=2kπ+π/2 kπ-π/4<=x<=kπ+π/4
增区间为 [kπ-π/4,kπ+π/4]
y=1-sin2x的单调递减区间为[kπ-π/4,kπ+π/4]
y=sin2x
减区间 2kπ+π/2<=2x<=2kπ+3π/2 kπ+π/4<=x<=kπ+3π/4
减区间为 [kπ+π/4,kπ+3π/4]
y=1-sin2x的单调递增区间为[kπ+π/4,kπ+3π/4]