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OpenStudy (anonymous):
True or False
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OpenStudy (anonymous):
\[\tan ^{2}x=\frac{ 1-\cos2x }{ 1+\cos2x }\]
OpenStudy (anonymous):
true
OpenStudy (anonymous):
how so?
OpenStudy (anonymous):
idk put in on google and it popped and said it was true
OpenStudy (anonymous):
paste the URL on here so i can check it out too
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