ddxcotx=\dfrac{d}{dx}\cot x =dxdcotx=A−secxcscx-\sec x \csc x−secxcscxBcsc2x\csc^2 xcsc2xC−csc2x-\csc^2 x−csc2xcheck_circleDsec2x\sec^2 xsec2xExplanationStandard derivative.