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Trigonometry nest (Posted on 2005-08-12) Difficulty: 4 of 5
Which is greater, sin(cos(x)) or cos(sin(x))? Prove it!

See The Solution Submitted by Federico Kereki    
Rating: 3.8333 (6 votes)

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re: what grade | Comment 7 of 10 |
(In reply to what grade by jeffrey)

I'm thinking about 12th grade, if you take calculus.
To follow Josh's post, maybe 11th grade.

note that there are different levels of difficulty at perplexus (1-5); and this problem is level 4.  Don't be discouraged, browse or search through old problems.

Edited on August 13, 2005, 5:30 am
  Posted by Larry on 2005-08-13 05:28:06

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