Collez les cartons édités depuis un tableur ici :

\sin^2 \theta + \cos^2 \theta = ;; 1 1 + \tan^2 \theta = ;; \sec^2 \theta 1 + \cot^2 \theta = ;; \csc^2 \theta \tan \theta = ;; \frac{\sin \theta}{\cos \theta} \sin (\alpha \pm \beta) = ;; \sin \alpha \cos \beta \pm \cos \alpha \sin \beta \cos (\alpha \pm \beta) = ;; \cos \alpha \cos \beta \mp \sin \alpha \sin \beta \text{3D vector; }\quad a•b = ;; a_1a_2+b_1b_2+c_1c_2 \text{3D vector; }\quad a\times b = ;; (a_yb_z-a_zb_y,\quad a_zb_x-a_xb_z,\quad a_xb_y-a_yb_x) (a+b)(a-b) = ;; a^2-b^2 (a±b)^2 = ;; a^2±2ab+b^2 ax^2+bx+cx;\quad x = ;; \frac{-b±\sqrt{b^2-4ac}}{2a} ax^2+bx+c;\quad Discriminant = ;; b^2-4ac

LaTeX MathJax : ?