document.write( "Question 999103: sin(Pi/4-B)=
\n" ); document.write( "Sin(45-B)=\r
\n" ); document.write( "\n" ); document.write( "Sin(45)*Cos(B)-Cos(45)*Sin(B)\r
\n" ); document.write( "\n" ); document.write( "after this point i am completely lost. Please and thank you.
\n" ); document.write( "

Algebra.Com's Answer #616821 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
sin(Pi/4-B)=
\n" ); document.write( "Sin(45-B)=\r
\n" ); document.write( "\n" ); document.write( "Sin(45)*Cos(B)-Cos(45)*Sin(B)
\n" ); document.write( "-----------
\n" ); document.write( "You didn't say what you want to do, but
\n" ); document.write( "sin(45) = cos(45) = sqrt(2)/2
\n" ); document.write( "---
\n" ); document.write( "--> \"%28sqrt%282%29%2F2%29%2A%28cos%28B%29+-+sin%28B%29%29\"
\n" ); document.write( "
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