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OpenStudy (cwtan):
\(\Huge\int sin ^2\ 3x\ dx\)
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OpenStudy (turingtest):
\[\sin^2u=\frac12[1-\cos(2u)]\]
OpenStudy (cwtan):
wow.... I forgot about this....
OpenStudy (turingtest):
who can remember all those trig identities? not me... that why I keep this handy http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdf though this one I happened to know offhand
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