suivant: Simplify and express preferentially
monter: Trigonometry
précédent: Simplify and express preferentially
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Simplify and express preferentially with cosine : trigcos
trigcos takes as argument an expression
containing trigonometric functions.
trigcos simplifies this expression with the formula :
sin(x)2 + cos(x)2 = 1,
tan(x) = and
tries to rewrite the expression only with cosine.
Input :
trigcos(sin(x)^
4+cos(x)^
2+1)
Output :
cos(x)^
4-cos(x)^
2+2
giac documentation written by Renée De Graeve and Bernard Parisse