document.write( "Question 1000640: The value of cos10°-sin10° is
\n" );
document.write( "A)positive
\n" );
document.write( "B)negative
\n" );
document.write( "C)0
\n" );
document.write( "D)none of these \n" );
document.write( "
Algebra.Com's Answer #617998 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "In the first quadrant:\r\n" ); document.write( "\r\n" ); document.write( "The sine and cosine are the same at 45°. Above that\r\n" ); document.write( "the sine is larger, below that the cosine is larger.\r\n" ); document.write( "\r\n" ); document.write( "10° is below 45°, so the cosine is larger and therefore \r\n" ); document.write( "cos10°-sin10° is positive.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |