y=sin(2x+π/4)cos(2x+π/4)最小正周期为y=tan(x+(π/4))的定义域
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![y=sin(2x+π/4)cos(2x+π/4)最小正周期为y=tan(x+(π/4))的定义域](/uploads/image/z/4495863-39-3.jpg?t=y%3Dsin%282x%2B%CF%80%2F4%29cos%282x%2B%CF%80%2F4%29%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E4%B8%BAy%3Dtan%28x%2B%28%CF%80%2F4%29%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F)
y=sin(2x+π/4)cos(2x+π/4)最小正周期为y=tan(x+(π/4))的定义域
y=sin(2x+π/4)cos(2x+π/4)最小正周期为
y=tan(x+(π/4))的定义域
y=sin(2x+π/4)cos(2x+π/4)最小正周期为y=tan(x+(π/4))的定义域
y=sin(2x+π/4)cos(2x+π/4)=1/2sin(4x+π/2)
w=4,所以最小正周期是2π/4=π/2
y=tan(x+(π/4))定义域是x+(π/4)≠π/2+kπ
即x≠π/4+kπ
1.pi/2
2.x不=pi/4+kpi