document.write( "Question 632141: if cos^2(3x)-sin^2(3x)= Cos(B), then B=? \n" ); document.write( "

Algebra.Com's Answer #398032 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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