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Interesting question for all to solve that i chanced upon luckily.

let the area bounded by two graphs below from $m \pi $ to $(n-1) \pi $ be A, where $m$ and $n$ are integers. Express $n-m$ in terms of A. $$y = 2cos(x)$$ $$y= sin(2x) $$

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  • $\begingroup$ "Interesting question for all to solve that i chanced upon luckily." Your happiness faced to this issue is sympathetic, but recognize that it is rather artificial : explain for example why you are specialy interested by these bounds... Is there a connection with the intersection points of the curves ? $\endgroup$ – Jean Marie May 8 at 17:17
  • $\begingroup$ ah i have missed out an important condition that m and n are both integers. Sorry to those who have seen the question already! $\endgroup$ – Yan Bo Pei May 8 at 17:33

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