document.write( "Question 857875: Find the exact value of each expression
\n" ); document.write( "a) sin7π/6
\n" ); document.write( "b) sinπ/6
\n" ); document.write( "c) sin9π/4
\n" ); document.write( "d) cos9π/4\r
\n" ); document.write( "\n" ); document.write( "Can you please help me? Thankyou
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Algebra.Com's Answer #516877 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Find the exact value of each expression
\n" ); document.write( "a) sin7π/6
\n" ); document.write( "b) sinπ/6
\n" ); document.write( "c) sin9π/4
\n" ); document.write( "d) cos9π/4
\n" ); document.write( "-------------
\n" ); document.write( "Convert them do degrees, then see what you think.
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