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OpenStudy (anonymous):
find all real numbers x for which the function f(x) = tan x is defined
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OpenStudy (amoodarya):
\[f(x)=\tan x \rightarrow f(x)=\frac{ \sin x }{ \cos x }\\cos x \neq0\]
OpenStudy (anonymous):
thanks
OpenStudy (amoodarya):
can you go on ?
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