document.write( "Question 1004854: Tanx+Cosx/(1+sinx)=secx \n" ); document.write( "
Algebra.Com's Answer #621194 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Tanx+Cosx/(1+sinx)=secx \n" ); document.write( "---------------- \n" ); document.write( "You didn't say what you want to do. \n" ); document.write( "To solve for x: \n" ); document.write( "Tanx+Cosx/(1+sinx)=secx \n" ); document.write( "Multiply thru by cos \n" ); document.write( "sin + cos^2/(1+sin) = 1 \n" ); document.write( "sin + (1-sin^2)/(1+sin) = 1 \n" ); document.write( "sin + 1-sin + 1 \n" ); document.write( "1 = 1 \n" ); document.write( "----------- \n" ); document.write( "True for all x, an identity. \n" ); document.write( "x <> n*pi/2 \n" ); document.write( " \n" ); document.write( " |