Find the derivative of the following functions (it is to be understood that a,b,c,d,p,q,r and s are fixed non-zero constants and m and n are integers) : cosecxcotx
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Solution
let f(x)=cosecxcotx By Leibnitz product rule f′(x)=cosec×(cotx)′+cotx(cosecx)′ =cosexx(−cosec2x)+cotx(−cosecxcotx) =−cosec3x−cot2xcosecx