document.write( "Question 279196: prove:\r
\n" ); document.write( "\n" ); document.write( "sinx-1/sinx = -cosx/tanx
\n" ); document.write( "

Algebra.Com's Answer #203048 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
sinx-1/sinx = -cosx/tanx
\n" ); document.write( "sinx - 1/sinx = -cos^2/sin
\n" ); document.write( "sin^2 - 1 = -cos^2
\n" ); document.write( "sin^2 + cos^2 = 1
\n" ); document.write( "I'm convinced.
\n" ); document.write( "You would have learned more if you had tried it, tho.
\n" ); document.write( "
\n" ); document.write( "
\n" );