Loss of significance

  • Thread starter asi123
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  • #1
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Homework Statement



Hey guys.

Anyone knows how can I avoid loss of significance in this function?

http://img402.imageshack.us/img402/4216/33365715.jpg [Broken]

Thanks a lot.


Homework Equations





The Attempt at a Solution

 
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Answers and Replies

  • #2
HallsofIvy
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Rewrite tan x in terms of sin x and cos x and combine the fractions.
 
  • #3
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Rewrite tan x in terms of sin x and cos x and combine the fractions.

Well, I got this: tg(x) (cos(x) - 1).
Is that good enough? how can I check it?

Thanks a lot.
 

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