求详细解y=cot(x+y),求dy/dx步骤详细点

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求详细解y=cot(x+y),求dy/dx步骤详细点求详细解y=cot(x+y),求dy/dx步骤详细点求详细解y=cot(x+y),求dy/dx步骤详细点dy/dx=-csc²(x+y)*

求详细解y=cot(x+y),求dy/dx步骤详细点
求详细解y=cot(x+y),求dy/dx步骤详细点

求详细解y=cot(x+y),求dy/dx步骤详细点
dy/dx
=-csc²(x+y)*(x+y)'
=-csc²(x+y)*(1+y')
=-csc²(x+y)*-y'csc²(x+y)
y'=-csc²(x+y)/[1+csc²(x+y)]