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OpenStudy (anonymous):
rewrite with only sin x and cos x sin 2x- cos x help?
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OpenStudy (anonymous):
sin2x=2 sin x * cos x put it in there and get the results ;)
OpenStudy (anonymous):
wait so I plug in for x
OpenStudy (anonymous):
@itsmylife
OpenStudy (anonymous):
the sin2x
OpenStudy (anonymous):
no put sin 2x = sinx * cos x
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OpenStudy (anonymous):
2 sinx - cos^2x?
OpenStudy (anonymous):
@itsmylife
OpenStudy (anonymous):
nope
OpenStudy (anonymous):
hmmm
OpenStudy (anonymous):
2 sinx cos x - cos x cos x (2 sin x -1)
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OpenStudy (anonymous):
oh sweet thx
OpenStudy (anonymous):
np ;)
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