y=sin(7π/8-x)*cos(x+π/8)y属于【-π/8,7π/8】图像
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/13 20:59:51
xTVP~l(.s
=hz&"$TB+Bğ
RN)x7|Sv͝;373ߐX^H%W-E
|TzJD}nS)hW}7wpk +Xo>=8OlYWC-:1,20v=!gcq[H[_RDkAFNW}}~{ݍ,Vm
-\h{L2ɡ&ъ3L2aRwo i sI2ZR荡ďn)C\+-nM[ΐ;&PO
"܉1QD1ى
XC+t9r[Tn
x+NPЛc'Ŧnb~EM阜A*~Ϝ$E[ǜ<ʓotnL$5>WI;=p]ԣs1 $H@R,'ľsɁN;=9gpVuFT%5Ρa#CzRNA0\Ma*wbn(o\Ls[all]ɟ$b+˯_o
将函数y=sin(7π/8-x)cos(x+π/8)的化简
y=(sin x + COS x)^2
y=2cos x (sin x+cos x)
y=sinπx+cosπx的周期
化简sin (x+y)sin x +cos (x+y)cos x=
y=sin(7π/8-x)*cos(x+π/8)y属于【-π/8,7π/8】图像
sin(x+y)sin(x-y)=k,求cos^2x-cos^2y
函数y=sin(x)cos(x+ π/4)+cos(x)sin(x+π/4)的最小正周期是
证明COS(X+Y)COS(X-Y)=COS^2X-SIN^2Y
证明cos(x+y)cos(x-y)= cos^2(x)-sin^2(y)
求函数y=7-4sin(x)cos(x)+4cos^2(x)-4cos^4(x)值
化简y=sin^2(x)+2sin(x)cos(x)+3cos^2(x)
y=(sin(x)-1)/(cos(x)+(cos(x))/(sin(x)+1)的奇偶性
y=Sin x +Cos x + Sin x * Cos x 的值域是多少?
y = (cos x - sin x ) / ( cos x + sin x) 的最小正周期
函数y=(sin x+cos x)(sin x-cos x)是什么函数.还有单调性
已知sinx=3/5,x∈(π/2,π),求【sin(x+y)+sin(x-y)】/【cos(x+y)+cos(x-y)】的值
参数方程x=cos(sin+cos)y=sin(cos+sin)化为普通方程