see this View topic - Range • Art of Problem Solving
Last edited by ayushdadhwal; Jul 8th 2011 at 10:29 AM. Reason: not properly typed
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What have you tried? For example: What's the range of the sinus? and cosinus? ...
I transcribe it correctly: Find the range of the function $\displaystyle f(x)=\cos\left(\sin \left(\log\frac{e^{2}+x^{2}}{x^{2}}+1\right)\right )+\sin \left(\cos \left(\log\frac{e^{2}+x^{2}}{x^{2}}+1\right)\right )$
sir sin and cos both are taking values from [-1,1] but next
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