f(x)=sin²(x+π/4)-sin²(x-π/4)是

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/14 22:28:41

f(x)=sin²(x+π/4)-sin²(x-π/4)是
f(x)=sin²(x+π/4)-sin²(x-π/4)是

f(x)=sin²(x+π/4)-sin²(x-π/4)是