document.write( "Question 1156411: Use trigonometric identities to write the expression in terms of a single trigonometric function or a constant.\r
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Algebra.Com's Answer #779111 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Not clear.
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\n" ); document.write( "Parentheses are free.
\n" ); document.write( "Use some.
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