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Anonymous
There are several equivalent answers. Two of these are:{tan^2(x) - 1}/2*tan(x)
or
{sin^2(x) - cos^2(x)}/{2*sin(x)*cos(x)}
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csc^2x+cot^2x=1
d/dx (cot x) = -csc2x
plz send me cot code
The word cot has one syllable.
tan6=cot(90-6) = cot 84