• 2022-06-18
    设以为周期的函数在的表达式为,则该函数对应的傅里叶级数的系数 ( )。eb66bf841630b81f19fcfdb4ef302350.pngdf18dcf934fabf7ec4332d894d8ab48d.png7b671bae7da5795f6fdda3568be61315.png5d1531ebb1d0a3a084abbcb42b20436b.png358657dced26c621f1a9809dd44f4394.png