document.write( "Question 291556: kindly help me with these equations...thank you....\r
\n" ); document.write( "\n" ); document.write( "(3 cos x + 7)(-2 sin x - 1) = 0 and\r
\n" ); document.write( "\n" ); document.write( "2 sin (x)cos (-x) = 2 sin (-x) sin (x)
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Algebra.Com's Answer #210821 by richwmiller(17219)\"\" \"About 
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