Complete the identity:

tan(cot-cos)= ?

thanks

;D

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- Nov 1st 2008, 11:20 PMfotzefotzeidentities
Complete the identity:

tan(cot-cos)= ?

thanks

;D - Nov 1st 2008, 11:28 PMmr fantastic
- Nov 1st 2008, 11:32 PMfotzefotze
nope. exactly like that.

- Nov 1st 2008, 11:54 PMmr fantastic
*sigh* I really thought you'd re-post something like $\displaystyle \tan (\cot^{-1} x - \cos^{-1} x) = ?$ ...... But far be it for me to doubt you or your textbook.

Unfortunately, the question as you've posted it makes no mathematical sense. As such, it's undoable. - Nov 2nd 2008, 08:46 AMfotzefotzeodd
I wonder how my teacher expects me to answer it then.

- Nov 2nd 2008, 03:34 PMmr fantastic