由lim(sinx/x)=1得
原式
=lim(sin(sinx)/sinx*sinx/x)
=lim(sin(sinx)/sinx)*lim(sinx/x)
=1
猜你喜欢
- 1上面一个气,下面一个因怎么读?
- 2You and I remains the same in different time,at different places,among different people; time is changing,space is chang
- 3My pet dog plays the small ball very much改为一般疑问句
- 4用1,2,3,4四个数字可以组成多少个不重复的偶数呢?没说一定是四位数的偶数.
- 5求幂级数n(n+1)x^n在其收敛区间(-1,1)内的和函数,n属于(1,正无穷).
- 6天空中的小星星写成比喻句
- 7I won't be able to attend the meeting tonight because ( )
- 8Frank is the___of a business company
- 9索菲亚在花园里玩得很开心.英文翻译
- 10求一篇英语作文 ,挺急的