y=sin(x-π/4)+cos(x-π/4)为周期为多少得什么函数?急

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y=sin(x-π/4)+cos(x-π/4)为周期为多少得什么函数?急y=sin(x-π/4)+cos(x-π/4)为周期为多少得什么函数?急y=sin(x-π/4)+cos(x-π/4)为周期为多

y=sin(x-π/4)+cos(x-π/4)为周期为多少得什么函数?急
y=sin(x-π/4)+cos(x-π/4)为周期为多少得什么函数?急

y=sin(x-π/4)+cos(x-π/4)为周期为多少得什么函数?急
y=sin(x-π/4)+cos(x-π/4)
=√2sin(x-π/4+π/4)
=√2sinx
T=2π
是奇函数!