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OpenStudy (anonymous):
rewrite with only sinx and cos x cos(2x)+sin(x)
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OpenStudy (hba):
It's only sin and cos lol :P
OpenStudy (anonymous):
no
OpenStudy (hba):
@kittakee It's already in Cos and Sin.
OpenStudy (hba):
Just btw
OpenStudy (anonymous):
my answer choices are 1+3sinx a+3sin^2x
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OpenStudy (anonymous):
1+2sin^2x+sinx 1-2sin^2x+sinx
OpenStudy (rajee_sam):
1-2sin^2 x + sinx
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