from github to this gitea

2023-10-23 23:09:51 +02:00
commit a2ee0fa5ca
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+---
+alias: "cos(a+b)"
+---
+up::[[formules de trigonométrie]]
+sibling::[[sinus d'une somme]]
+type::"formule de somme"
+title::"$\cos(a+b) = \cos(a)\cos(b) - \sin(a)\sin(b)$"
+#maths/trigonométrie 
+
+---
+
+$\cos(a+b) = \cos(a)\cos(b) - \sin(a)\sin(b)$
+