tz035 | 数学の星 https://math-jp.net 数とはなにか、無限とはなにか Mon, 06 Nov 2017 13:57:34 +0000 ja hourly 1 https://wordpress.org/?v=6.9 https://math-jp.net/wp-content/uploads/2016/12/cropped-2015-06-06-18.34.04-1-2-32x32.jpg tz035 | 数学の星 https://math-jp.net 32 32 sinとcosの対称式は、t=sin(x)+cos(x)とおくとよい https://math-jp.net/2017/11/06/tz035/ https://math-jp.net/2017/11/06/tz035/#respond Mon, 06 Nov 2017 13:57:34 +0000 https://www.math-jp.net/?p=3348 https://math-jp.net/2017/11/06/tz035/feed/ 0