已知函数y=sin(wx+a)(0<a<π,w>0)为偶函数,则a=拜托聪明又好心的人解答,thank you very much
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![已知函数y=sin(wx+a)(0<a<π,w>0)为偶函数,则a=拜托聪明又好心的人解答,thank you very much](/uploads/image/z/10196269-61-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0y%3Dsin%28wx%2Ba%29%280%EF%BC%9Ca%EF%BC%9C%CF%80%2Cw%EF%BC%9E0%EF%BC%89%E4%B8%BA%E5%81%B6%E5%87%BD%E6%95%B0%2C%E5%88%99a%3D%E6%8B%9C%E6%89%98%E8%81%AA%E6%98%8E%E5%8F%88%E5%A5%BD%E5%BF%83%E7%9A%84%E4%BA%BA%E8%A7%A3%E7%AD%94%2Cthank+you+very+much)
已知函数y=sin(wx+a)(0<a<π,w>0)为偶函数,则a=拜托聪明又好心的人解答,thank you very much
已知函数y=sin(wx+a)(0<a<π,w>0)为偶函数,则a=
拜托聪明又好心的人解答,thank you very much
已知函数y=sin(wx+a)(0<a<π,w>0)为偶函数,则a=拜托聪明又好心的人解答,thank you very much
函数f(x)=sin(ωx+a)为偶函数,则
f(x)化简后是余弦函数,于是
∵0<a<π
∴a=π/2