document.write( "Question 728848: Sqrt(2)cos3x-1=0 \n" ); document.write( "

Algebra.Com's Answer #445625 by lwsshak3(11628) $\"\"$ $\"About$

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For: [0,90º]
\n" ); document.write( "Sqrt(2)cos3x-1=0
\n" ); document.write( "cos3x=1/√2=√2/2
\n" ); document.write( "3x=45º
\n" ); document.write( "x=15º
\n" ); document.write( " \n" ); document.write( "

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