SOLUTION: This is really a precalculas problem, I hope someone can help, I really need it.
Thanks
verify identity;
cos[{{{pi}}}/2-x]/sin[{{{pi}}}/2-x]= tan x
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Finite-and-infinite-sets
-> SOLUTION: This is really a precalculas problem, I hope someone can help, I really need it.
Thanks
verify identity;
cos[{{{pi}}}/2-x]/sin[{{{pi}}}/2-x]= tan x
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Question 63598: This is really a precalculas problem, I hope someone can help, I really need it.
Thanks
verify identity;
cos[/2-x]/sin[/2-x]= tan x Answer by Nate(3500) (Show Source):