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sno
@sno
January 2021
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Simplification sin(x+3pi/2)
Merci a tous ceux qui pourraient m'aider . c'est URGENT
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gilles2016
Verified answer
Sin(x+3π/2)=sin(π+(x+π/2))=
-
sin(x+π/2)=- cos(x)
donc
sin(x+3π/2)=- cos(x)
Bon courage !
2 votes
Thanks 2
sno
Merci beaucoup,
gilles2016
de rien !
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Verified answer
Sin(x+3π/2)=sin(π+(x+π/2))=- sin(x+π/2)=- cos(x)donc sin(x+3π/2)=- cos(x)
Bon courage !