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OpenStudy (ohohaye):
Please Please Help Me!!!
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OpenStudy (ohohaye):
Pretty sure its true but just want to make sure
OpenStudy (dancing_stars23):
what do you need help on?
rvc (rvc):
whats the formula of sin(a-b)?
OpenStudy (amorfide):
the identity is \[\sin(A-B)=SinAcosB-CosAsinB\]
rvc (rvc):
u should let the person tell @amorfide
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OpenStudy (amorfide):
if he knew it he would know the answer
OpenStudy (ohohaye):
What?
rvc (rvc):
okay compare ur question and @amorfide answer
rvc (rvc):
with*
OpenStudy (ohohaye):
Oh ok, so its false?
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