AP Calculus ABmediummcq1 ptIf f(x)=cscxf(x)=\csc xf(x)=cscx, then f′(x)=f'(x)=f′(x)=A.cscxcotx\csc x\cot xcscxcotxB.−csc2x-\csc^2 x−csc2xC.−cscxcotx-\csc x\cot x−cscxcotxD.secxtanx\sec x\tan xsecxtanx