document.write( "Question 763671: (cos x-sqrt of2/2)(sec x-1)=0 \n" ); document.write( "

Algebra.Com's Answer #465072 by lwsshak3(11628) $\"\"$ $\"About$

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domain: [0,π/2]
\n" ); document.write( "(cos x-sqrt of2/2)(sec x-1)=0
\n" ); document.write( " $\"%28cos%28x%29-sqrt%282%29%2F2%29%28sec%28x%29-1%29=0\"$
\n" ); document.write( "cosx-√2/2=0
\n" ); document.write( "cosx=√2/2
\n" ); document.write( "x=π/4 or 45º
\n" ); document.write( "..
\n" ); document.write( "secx-1=0
\n" ); document.write( "secx=1
\n" ); document.write( "1/cosx=1
\n" ); document.write( "cosx=1
\n" ); document.write( "x=0 \n" ); document.write( "

\n" );