valeur-de-tan-2-pi-7-tan-2-2pi-7-tan-2-3pi-7-

Question Number 210926 by maths_plus last updated on 22/Aug/24

valeur de :

\tan^{2} (\frac{π}{7}) + \tan^{2} (\frac{2 π}{7}) + \tan^{2} (\frac{3 π}{7}) = ? ? ?

Commented by mr W last updated on 22/Aug/24

H a l l o T o n i :

s i e h e Q 210677

Facebook Tweet Pin