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oclonophone

Name: oclonophone 2011-03-02 4:02

Name: Alex 2011-03-02 19:54

How do you simplify 2tanx/(1+tan^2x)?

Name: Anonymous 2011-03-02 22:06

>>2
Very carefully.

Name: oclono 2011-03-10 8:58

oclon or not to oclon?

Name: Anonymous 2011-03-12 16:05

In[4]:= Simplify[2 Tan[x]/(1 + Tan[x]^2)]

Out[4]= Sin[2 x]

Name: Anonymous 2011-03-16 21:47

ring ring ring ring ring ring ring OCLONOPHONE!

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