Asked by juan


Show that f(-x) = -f(x)
Answered by bobpursley
Neat trick, but f(x) has to be an odd function for this to happen. Exactly what is the functions.
Answered by Damon
That is only for odd functions.
for example sin(-x) = -sin (x)
however
cos(-x) = + cos (x) so it is an even function
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