1.下列函数中以π为最小正周期的奇函数是 ( )A y=sinx B y=cos2x C y=|sinx| D y=cos(x-π/2)2.将5名男生3名女生排成一排(1)女生不相邻的排法有多少种 (2)女生相邻的排法有多少种 注:列出式子
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![1.下列函数中以π为最小正周期的奇函数是 ( )A y=sinx B y=cos2x C y=|sinx| D y=cos(x-π/2)2.将5名男生3名女生排成一排(1)女生不相邻的排法有多少种 (2)女生相邻的排法有多少种 注:列出式子](/uploads/image/z/6694882-34-2.jpg?t=1.%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E4%B8%AD%E4%BB%A5%CF%80%E4%B8%BA%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E7%9A%84%E5%A5%87%E5%87%BD%E6%95%B0%E6%98%AF+%EF%BC%88+%EF%BC%89A+y%3Dsinx+B+y%3Dcos2x+C+y%3D%7Csinx%7C+D+y%3Dcos%28x-%CF%80%2F2%EF%BC%892.%E5%B0%865%E5%90%8D%E7%94%B7%E7%94%9F3%E5%90%8D%E5%A5%B3%E7%94%9F%E6%8E%92%E6%88%90%E4%B8%80%E6%8E%92%EF%BC%881%EF%BC%89%E5%A5%B3%E7%94%9F%E4%B8%8D%E7%9B%B8%E9%82%BB%E7%9A%84%E6%8E%92%E6%B3%95%E6%9C%89%E5%A4%9A%E5%B0%91%E7%A7%8D+%EF%BC%882%EF%BC%89%E5%A5%B3%E7%94%9F%E7%9B%B8%E9%82%BB%E7%9A%84%E6%8E%92%E6%B3%95%E6%9C%89%E5%A4%9A%E5%B0%91%E7%A7%8D+%E6%B3%A8%EF%BC%9A%E5%88%97%E5%87%BA%E5%BC%8F%E5%AD%90)
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