当前位置: 高中数学 / 填空题
  • 1. (2016·山东文) 观察下列等式:

    (sin 2+(sin 2= ×1×2;

    (sin 2+(sin 2+(sin 2+sin( 2= ×2×3;

    (sin 2+(sin 2+(sin 2+…+sin( 2= ×3×4;

    (sin 2+(sin 2+(sin 2+…+sin( 2= ×4×5;

    照此规律,

    (sin 2+(sin 2+(sin 2+…+(sin 2=

微信扫码预览、分享更方便