f6 ={0.5-[sin(sqrt(x2+y2)2-0.5]}/(1+0.001*(x2+y2))2这个函数的极值值是多少啊

f6 ={0.5-[sin(sqrt(x2+y2)2-0.5]}/(1+0.001*(x2+y2))2这个函数的极值值是多少啊 sin(sqrt(x))的不定积分 y=sin x + sqrt(3)cos x的周期 若π＜x＜3π/2,则sqrt(tanx+sinx)+sqrt(tanx-sinx)=?A.2·sqrt(tanx)·sin(x/2-π/4) B.2·sqrt(tanx)·sin(x/2+π/4)C.-2·sqrt(tanx)·sin(x/2-π/4) D.-2sqrt(tanx)`·sin(x/2+π/4)sqrt根号 Sqrt[2] * { Sin( x + π/4 ) * cos[ π/4 ] + Cos[ x + π/4] * sin[ π/4 ] = Sqrt[2] *sin (x + π/2)我这一步看不懂.. matlab fzero 问题function v=dxt2(x1,x2)n=0.0109;d=sqrt((x2(1)-x1(1))^2+(x2(2)-x1(2))^2);i=(x2(2)-x1(2))/d;y=2.5*sqrt(n)-0.13-0.75*sqrt(2.2/4)*(sqrt(n)-0.1);x=fzero(@(x)1/n*2.2/4*(1-sin(x)/x)^(y+1/2)*2.2^2/8*(x-sin(x))*sqrt(i)-0.6,0.5);a=2.2^2/8*(x- =if(F6>=30,35,if(F6>=20,=(F6-20)*0.5+30,if(F6>=10,F6,0))),这个公式有语法错误吗 高数极限题,x->0的极限?f=x^2/(sqrt(1+x*sin(x))-sqrt(cos(x))); 4/3 求工程! z=sin(sqrt(x^2+y^2))/sqrt(x^2+y^2),-8≤x,y≤8； 用matlaB怎么编程! matlab计算下面的公式.R=0.32;T=12.5;m=0.62;x=(0:pi/100:pi);x2=(0:pi/50:2*pi);l=(2:0.1:12);k1=(2.*pi./l).*(sqrt((sin(x).*cos(x2)-sqrt(3)./2).^2+(sin(x).*sin(x2)).^2));k2=(2.*pi./l).*(cos(x)+0.5);r=(R.*T.^2./(4.*pi.*m.^2)).*(1+0.5.*cos(x)-(sqrt(3 MATLAB z=100000*sin(y*pi/180)/(17*sqrt(3+sin(2*x*pi/180)));是不是缺几个点 lim x->0(sqrt(sin(1/x^2)) 求极限 lim(x->0)∫sin(sqrt(t))dt/x^a, 证明不等式:x/(sqrt(y))+y/(sqrt(x))>=sqrt(x)+sqrt(y)x,y皆为正数 已知cos(x)=sqrt(10)/10,x属于(0,pi/2),求sin(pi/4+2x)的值 方程x=sqrt(x+1)+sqrt(x+2)+sqrt(x+3)+sqrt(x+4)的解是代数数吗?其中,sqrt是开平方根方的意思. 如何用matlab画二维图y=sqrt(25/sin(x)^2-(5cot(x)-1.8)^2)-5; matlab绘制函数曲线x的取值范围是0到90y=-sin(x/2)^4-4sin(x/2)^2+sin(x/2)^3sqrt(sin(x/2)^2+4)+sin(x/2)sqrt(sin(x/2)^2+4)是不是函数输入也有错误啊