document.write( "Question 878809: Use your calculator to check that
\n" ); document.write( "a) sin = sin (x -1)
\n" ); document.write( "b) cos 1 = - cos (x-1)\r
\n" ); document.write( "\n" ); document.write( "Can you please help me out? Thanks so much in advance:)
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Algebra.Com's Answer #530286 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
I could, but that would defeat the purpose. \n" ); document.write( "
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