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tan(p/5)+tan(x)/(1-tan(p/5)*tan(x))<=1 desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
   /p\         tan(x)          
tan|-| + ----------------- <= 1
   \5/          /p\            
         1 - tan|-|*tan(x)     
                \5/            
$$\tan{\left(\frac{p}{5} \right)} + \frac{\tan{\left(x \right)}}{- \tan{\left(x \right)} \tan{\left(\frac{p}{5} \right)} + 1} \leq 1$$
tan(p/5) + tan(x)/(-tan(x)*tan(p/5) + 1) <= 1