May 30th, 2008, 01:46 PM  #1 
Member Joined: Jan 2008 Posts: 34 Thanks: 0  inverse sine values
how would one go about finding the exact value of arcsine(1/√[3√2])

June 1st, 2008, 09:54 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 21,037 Thanks: 2274 
Can't be done. I recall that arctan(1/√(3  2√2)) is 3pi/8, but nothing closer.


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