求极限 lim(n→∞) tan^n (π/4 + 2/n) lim(n→∞)tan^n(π/4+2/n) =lim(n→∞)[(tan(π/4)+tan(2/n))/(1-tan(π/4)tan(2/n))]^n =lim(n→∞)[(1+tan(2/n))/(1-tan(2/n))]^n =lim(n→∞)(1+tan(2/n))^n/(1-tan(2/n))^n (1) 因为 lim(n→∞)(1+tan(2/n)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 14:41:08
xTn0<ڤ!JcRjDP4DӖ*LkG7Цnhdt e]J?l'y/`;!tmiR|}=:Z1KU~+