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OpenStudy (dominirican1013):
True or False? sin(x)cos(y)=1/2(sin(x+y)+sin(x-y))
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OpenStudy (dominirican1013):
@LynFran
OpenStudy (dominirican1013):
I think that this is false but I am not too sure
OpenStudy (lynfran):
|dw:1437027869009:dw|
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