正弦函数奇偶性要y=sin(wX+Ф)为奇函数,则Ф=kπ(原因:由于sinX本身为奇,则可平移π的整数倍后仍关于原点对称)要y=sin(wX+Ф)为偶函数,则Ф=kπ+π/2(原因:同上原理)要y=cos(
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![正弦函数奇偶性要y=sin(wX+Ф)为奇函数,则Ф=kπ(原因:由于sinX本身为奇,则可平移π的整数倍后仍关于原点对称)要y=sin(wX+Ф)为偶函数,则Ф=kπ+π/2(原因:同上原理)要y=cos(](/uploads/image/z/12502831-31-1.jpg?t=%E6%AD%A3%E5%BC%A6%E5%87%BD%E6%95%B0%E5%A5%87%E5%81%B6%E6%80%A7%E8%A6%81y%EF%BC%9Dsin%EF%BC%88wX%2B%D0%A4%EF%BC%89%E4%B8%BA%E5%A5%87%E5%87%BD%E6%95%B0%2C%E5%88%99%D0%A4%EF%BC%9Dk%CF%80%EF%BC%88%E5%8E%9F%E5%9B%A0%EF%BC%9A%E7%94%B1%E4%BA%8EsinX%E6%9C%AC%E8%BA%AB%E4%B8%BA%E5%A5%87%2C%E5%88%99%E5%8F%AF%E5%B9%B3%E7%A7%BB%CF%80%E7%9A%84%E6%95%B4%E6%95%B0%E5%80%8D%E5%90%8E%E4%BB%8D%E5%85%B3%E4%BA%8E%E5%8E%9F%E7%82%B9%E5%AF%B9%E7%A7%B0%EF%BC%89%E8%A6%81y%EF%BC%9Dsin%EF%BC%88wX%EF%BC%8B%D0%A4%EF%BC%89%E4%B8%BA%E5%81%B6%E5%87%BD%E6%95%B0%2C%E5%88%99%D0%A4%EF%BC%9Dk%CF%80%EF%BC%8B%CF%80%EF%BC%8F2%EF%BC%88%E5%8E%9F%E5%9B%A0%EF%BC%9A%E5%90%8C%E4%B8%8A%E5%8E%9F%E7%90%86%EF%BC%89%E8%A6%81y%EF%BC%9Dcos%EF%BC%88)
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