lim1/n(sinPi/n+sin2PI/n+..+(n-1)Pi/n) PI指派
lim1/n(sinPi/n+sin2PI/n+..+(n-1)Pi/n) PI指派
求极限lim(1/n)*[(sin(pi/n)+sin(2pi/n)+.+sin(n*pi/n)] n->无穷
证明sin(pi/n)*sin(2pi/n)*sin(3pi/n)*…sin((n-1)pi/n)=n/(2^(n-1)
如何用matlab画图 x(n)=x(n-1)+sin(n*pi/n) y(n)=y(n-1)+cos(n*pi/n)
[(N*PI)/2]*|SINX|在(0,N*PI)积分为什么=[(N*N*PI)/2]|SINX|在(0,PI)积分?
扁piān 组词
求极限lim(n*sin(pi/n)) (n->无穷大)
∑1/n^2=pi^2/6 证明∑(-1)^n-1 1/n^2=pi^2/12
lim1/n(sin1/n+……+sin(n-1)/n)=?n趋向无穷大
lim(n->无穷) (tan(pi/4 + 1/n)) ^n的极限 为什么是 e^2
求助:用matlab把xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+rand
哪位大哥能把xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+randn(siz