若y=2sin(8x+A)+2(0
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y=sin(2x+a)为奇函数,求a
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求函数y=sin^2x+acosx+5a/8-3/2(0
证明sinx+siny+sinz-sin(x+y+z)=4sin((x+y)/2)sin((x+y)/2)sin((x+
若函数y=-2sin(x+φ)(0
一道三角恒等式证明题请证明sin(x+y)sin(x-y)=sin^2(x)-sin^2(y)
syms a x y x=sin(a) y=cosh(x) a=linspace(0,2*pi) plot(a,y) 错
若函数y=sin(2x+a)为奇函数,求a.
函数y=sin*x+acosx+5/8a-3/2在[0,~]上的最大值为1.求a.
已知(x/a)cosθ+(y/b)sinθ=1,(x/a)sinθ-(y/b)cosθ=1,求证(x^2/a^2)+(y