y=sin(3x^2+5)
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已知sinx=3/5,x∈(π/2,π),求【sin(x+y)+sin(x-y)】/【cos(x+y)+cos(x-y)】的值已知sinx=3/5,x∈(π/2,π),求【sin(x+y)+sin(x
sinx=1/3,sin(x+y)=1,求sin(2y+x)=?sinx=1/3,sin(x+y)=1,求sin(2y+x)=?sinx=1/3,sin(x+y)=1,求sin(2y+x)=?sin(
y=x^3sin^2x是奇函数还是偶函数还有y=x^cosx、y=5sin(3x-π/4)y=x^3sin^2x是奇函数还是偶函数还有y=x^cosx、y=5sin(3x-π/4)y=x^3sin^2
当cos^2x-cos^2y=√3/2时,求sin(x+y)×sin(x-y)当cos^2x-cos^2y=√3/2时,求sin(x+y)×sin(x-y)当cos^2x-cos^2y=√3/2时,求
2函数y=3sin(x+10度)+5sin(x+70度)的最大值是()2函数y=3sin(x+10度)+5sin(x+70度)的最大值是()2函数y=3sin(x+10度)+5sin(x+70度)的最
函数y=sinx+2sin^3x+3sin^5x的最小正周期函数y=sinx+2sin^3x+3sin^5x的最小正周期函数y=sinx+2sin^3x+3sin^5x的最小正周期sinx的周期是2p
y=12sin(2x+π/6)+5sin(π/3-2x)最大值y=12sin(2x+π/6)+5sin(π/3-2x)最大值y=12sin(2x+π/6)+5sin(π/3-2x)最大值令cosa=1
y=12sin(2x+π/6)+5sin(π/3-2x)的最大值y=12sin(2x+π/6)+5sin(π/3-2x)的最大值y=12sin(2x+π/6)+5sin(π/3-2x)的最大值y=12
y=3sin(2x+10)+5sin(2x+70)最大值y=3sin(2x+10)+5sin(2x+70)最大值y=3sin(2x+10)+5sin(2x+70)最大值设t=2x+10,则y=3sin
三角函数:y=(3sinx+1)/(sinx+2)的值域为()三角函数:y=(3sinx+1)/(sinx+2)的值域为()三角函数:y=(3sinx+1)/(sinx+2)的值域为()[-2.4/3
3sin^2x+-2sin^2y=2sinxsin^2x+-sin^2y=?3sin^2x+-2sin^2y=2sinxsin^2x+-sin^2y=?3sin^2x+-2sin^2y=2sinxsi
y=(cos^2)x-sin(3^x),求y''y=(cos^2)x-sin(3^x),求y''y=(cos^2)x-sin(3^x),求y''y''=(cos²x)''-(sin3^x)''=2cos
sin(x+y)=1\2,sin(x—y)=1\3,求[tan(x+y)-tanx-tany]\[tany的平方tan(x+y)]sin(x+y)=1\2,sin(x—y)=1\3,求[tan(x+y
matlab中一些新手问题,symsxy;y=ezplot(''1/5*(-2-5/(-125+100*sin(x))*(-20*sin(x)+40+10*(-121*sin(x)^2-100*sin(
y=sin(3x-2)求导数y=sin(3x-2)求导数y=sin(3x-2)求导数先把3X-2当作一个未知数A,即y=sinA,求导,得cosA,再对A求导得3,把两个结果相乘,得y''=3cos(3
函数Y=2sin(3X+A)(|A|函数Y=2sin(3X+A)(|A|函数Y=2sin(3X+A)(|A|若是原题的话是没有答案的~我本人也在纠结了许久,介于考虑到练习册出现疏漏,我怀疑题目是函数y
y=sin^3(2x)求导y=sin^3(2x)求导y=sin^3(2x)求导y/=3sin^2(2x)cos(2x)*2=3sin(4x)sin(2x)逐步求导,D表示求导=3D(sin^2(2x)
求y=sin(2x+3)的导数求y=sin(2x+3)的导数求y=sin(2x+3)的导数2cos(2x+3)全部展开收起全部展开收起
(COSx)^2--(COSy)^2=(根号3)/2,求SIN(X+Y).SIN(X-Y)=(COSx)^2--(COSy)^2=(根号3)/2,求SIN(X+Y).SIN(X-Y)=(COSx)^2
已知sin(x+y)=2/3,sin(x-y)=2/5,则tanx/tany的值是多少?已知sin(x+y)=2/3,sin(x-y)=2/5,则tanx/tany的值是多少?已知sin(x+y)=2