document.write( "Question 867840: Using a the half angle identity, find the exact value of sin22.5 degrees
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #523219 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Look up the half-angle formula and find out.
\n" ); document.write( "Wikipedia covers it very well.
\n" ); document.write( "You got a broken finger?
\n" ); document.write( "
\n" );