三角函数微积分y=sinx /(1-cos2x)求dy/dx对于y=sinx /(1-cos2x)求dy/dx
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![三角函数微积分y=sinx /(1-cos2x)求dy/dx对于y=sinx /(1-cos2x)求dy/dx](/uploads/image/z/7080749-53-9.jpg?t=%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E5%BE%AE%E7%A7%AF%E5%88%86y%3Dsinx+%2F%281-cos2x%29%E6%B1%82dy%2Fdx%E5%AF%B9%E4%BA%8Ey%3Dsinx+%2F%281-cos2x%29%E6%B1%82dy%2Fdx)
三角函数微积分y=sinx /(1-cos2x)求dy/dx对于y=sinx /(1-cos2x)求dy/dx
三角函数微积分y=sinx /(1-cos2x)求dy/dx
对于y=sinx /(1-cos2x)求dy/dx
三角函数微积分y=sinx /(1-cos2x)求dy/dx对于y=sinx /(1-cos2x)求dy/dx
y=sinx/(1-cos2x).
=sinx/(2sin^2x)
=(1/2)(1/sinx).
=(1/2)cscx.
∴ dy/dx=-cscx*cotx.