solution to execisse 5.2 question no 7 for differentian of  toot of cotx2 is not clear

Asked by Lalchand gopalani | 27th Apr, 2014, 11:24: AM

Expert Answer:

l e t space y space equals square root of c o t open parentheses x squared close parentheses end root  rightwards double arrow fraction numerator d y over denominator d x end fraction equals fraction numerator 1 over denominator square root of c o t open parentheses x squared close parentheses end root end fraction open parentheses minus cos e c open parentheses x squared close parentheses close parentheses cross times space 2 x  space space space space space space space space space space space space equals minus 2 x fraction numerator open parentheses cos e c open parentheses x squared close parentheses close parentheses over denominator square root of c o t open parentheses x squared close parentheses end root end fraction

Answered by  | 28th Apr, 2014, 05:57: PM

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