document.write( "Question 444343: How do I sovle the following equation?\r
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document.write( "sin(x)+cos(x)= 1/cos(x) \n" );
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Algebra.Com's Answer #306336 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! How do I sovle the following equation? \n" ); document.write( "sin(x)+cos(x)= 1/cos(x \n" ); document.write( ".. \n" ); document.write( "0 < x < 90 deg \n" ); document.write( "sin(x)+cos(x)= 1/cos(x \n" ); document.write( "sinxcosx+cos^2x=1 \n" ); document.write( "sinxcosx+1-sin^2x=1 \n" ); document.write( "sinx(cosx-sinx)=0 \n" ); document.write( "sinx=0 \n" ); document.write( "x=0 \n" ); document.write( "..\r \n" ); document.write( "\n" ); document.write( "cosx-sinx=0 \n" ); document.write( "cosx=sinx \n" ); document.write( "sinx/cosx=1 \n" ); document.write( "tanx=1 \n" ); document.write( "x=45 deg\r \n" ); document.write( "\n" ); document.write( "ans: \n" ); document.write( "x=0 and 45 deg \n" ); document.write( " |