#flashcards/maths/calculus ---- # Carrés $11^2=$ :: $121$ $12^2=$ :: $144$ $13^2=$ :: $169$ $14^2=$ :: 196 $15^2=$ :: 225 $16^2=$ :: $256$ $17^2=$ :: $289$ # Constantes $\sqrt{ 2 } \approx$ :: $1.414'21'35$ $\sqrt{ 3 } \approx$ :: $1.7320$ $\sqrt{ 5 }\approx$ :: $2.236$ $e \approx$ :: $2.718281828459045$ ## Trigonométrie $\tan\left( \frac{\pi}{6} \right)$ :: $\dfrac{\sqrt{ 3 }}{3} = \dfrac{1}{\sqrt{ 3 }}$ $\tan\left( \frac{\pi}{3} \right)$ :: $\sqrt{ 3 }$