Rewrite tan(x) with cos(2x) and sin(2x) : tan2cossin2

suivant: Rewrite sin, cos, tan monter: Trigonometry précédent: Rewrite tan(x) with sin(2x) Table des matières Index

Rewrite tan(x) with cos(2x) and sin(2x) : `tan2cossin2`

tan2cossin2 takes as argument an expression containing trigonometric functions.
tan2cossin2 replaces tan(x) by $\displaystyle {\frac{{1-\cos(2.x)}}{{\sin(2.x)}}}$ , in this expression.
Input :

tan2cossin2(tan(x))

Output :

(1-cos(2*x))/sin(2*x)

giac documentation written by Renée De Graeve and Bernard Parisse