Mathematics.Geometry & Trigonometry

Mathematics Forum

Author	Message / Information
Euler Quote \| Reply \|	Challenge posted on: 6/14/2006 10:41:48 PM I posted a challenge in the calculus section, so I thought I would post one here as well. Again, starting of relatively simply: Prove: [cos(x)]^4+[sin(x)]^4= [sin(2x)]^2*[csc(2x)]^2-1/2([sin(2x)]^2 Enjoy!
Euler Quote \| Reply \|	Challenge replied on: 6/14/2006 10:57:59 PM I forgot to mention here, as well as in the calculus section, that once a correct solution has been provided, a new challenge can be posted by whomever chooses to post one.
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