y=sin(3x π 6)则y^N

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y=sin(3x π 6)则y^N
若全集I={(x,y)|x,y∈R},集合M={(x,y)|(y-3)/(x-2)},N{(x,y)|y=x=1},则(

N={(1,1)},M={(x,y)|y-3=x-2},即M={(x,y)|y-x-1=0},CIM即为除直线外的所有的(x,y),CIN即为除(1,1)外的(x,y),所以(CIM)∩((CIM))

证明sin(x+y)sin(x-y)=sinx-siny

sin(x+y)sin(x-y)=-1/2(cos(x+y+x-y)—cos(x+y-x+y))=-1/2(cos2x—cos2y)=-1/2(1-2(sinx)^2-1+2(siny)^2)=(si

如何用matlab画图 x(n)=x(n-1)+sin(n*pi/n) y(n)=y(n-1)+cos(n*pi/n)

首先需要已知x(0)和y(0),然后安装上面的式子就可以使用for循环计算得到序列x和y了再使用plot(x,y)就可以画图了!祝你学习愉快!再问:如何定义x(0)和y(0)是个问题啊,我没弄明白如何

y=sin^3x的导数

y=sin^3x是复合函数可以设t=sinxt'=cosxy=t^3y'=3t^2*t'y'=3sin^2x*cosx

1.y=x*e^(2x) 2.y=(sin(2x))/x 3.y=sin(3x+(π/3))怎么求导数!

1.y'=e^(2x)+2xe^(2x)=(1+2x)e^(2x)2.y'=[2xcos2x-sin2x]/x^23.y'=3cos(3x+π/3)

已知集合M={(x,y)|y=x+3},N={(x,y)|y=-2x+6},则M∩N=______.

将M与N中的两方程联立得:y=x+3y=−2x+6,解得:x=1y=4,∴M∩N={(1,4)}.故答案为:{(1,4)}

y=sin(2x+π/6)+3/2 怎么由平移 y=sinx 得到

y=sinx先向左平移π/6,得y=sin(x+π/6)然后,纵坐标不变,横坐标变为原来的1/2,得y=sin(2x+π/6)最后,向上平移3/2,得y=sin(2x+π/6)+3/2

实数x,y满足tanx=x,tany=y,且|x|≠|y|,则sin(x+y)x+y−sin(x−y)x−y

tanx=sinxcosx=x∴sinx=xcosx同理,siny=ycosy所以原式=sinxcosy+cosxsinyx+y-sinxcosy−cosxsinyx−y=xcosxcosy−ycos

直角坐标系的旋转公式X'=x*cos(n)+y*sin(n)Y'=-x*sin(n)+y*cos(n)X' ,Y' ,X

n是旋转的角度.将原坐标系旋转角度n后,形成新的坐标系.X'和Y'为新坐标系下点的坐标.而x和y为该点在原来坐标系下的坐标.

已知sin(x+y)/cos(x-y)=m/n,则tanx/tany=?

要求tanx/tany则x,y≠π/2+kπ,且y≠kπ(k为整数),则cosxcosy≠0sin(x+y)/cos(x-y)=m/n(sinxcosy+cosxsiny)/(cosxcosy+sin

y=sin[sin(x^2)] 则dy/dx=?

dy/dx相当于对x进行求导:dy/dx=y'=2x*cos[sin(x^2)]*cos(x^2)由于:sinx=cosx,sin(x^2)=2x*cos(x^2)

y =(cos^2) x - sin (3^x),求y'

y'=(cos²x)'-(sin3^x)'=2cosx·(cosx)'-cos3^x·(3^x)'=2cosx·(-sinx)-cos3^x·(3^x·ln3)=-sin2x-ln3·cos

函数y=sin(x+π6

∵0≤x≤π2,∴π6≤x+π6≤2π3;∴当x+π6=π2时,函数取得最大值是y=sin(x+π6)=1;当x+π6=π6时,函数取得最小值是y=sin(x+π6)=12;∴函数y=sin(x+π6

函数y=sin(x+π3

由题意x∈[0,π2],得x+π3∈[π3,5π6],∴sin(x+π3)∈[12,1]∴函数y=sin(x+π3)在区间[0,π2]的最小值为12故答案为12

y=sin(3x-π/6)的导数

通过复合函数求导,可以得到y'=cos(3x-π/6)*3=3cos(3x-π/6)欢迎追问~

y=sin^n(x)cos nx 导数 求

[sin^n(x)]'=nsin^(n-1)(x)cosx[cosnx]'=-nsinnxy'=[sin^n(x)]'cosnx+[cosnx]'sin^n(x)=nsin^(n-1)(x)cosxc

求导:y=3^(sin*1/x)

y=3^[sin(1/x)]y'=3^[sin(1/x)]ln3*cos(1/x)*(-1/x^2)=-ln3*3^[sin(1/x)]*cos(1/x)/x^2

y=sin^2 x的n阶导数

y=sin²x的n阶导数y'=2sinxcosx=sin2x;y''=2cos2x=2sin(π/2-2x);y'''=-4sin2x=4sin(π+2x);y⁽⁴&