document.write( "Question 1188581: Calculate:\r
\n" );
document.write( "\n" );
document.write( "A) Tan^2 225degrees-sin 60 degrees cos 30 degrees ( don't understand what the Tan to the exponent 2 means)\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "B) cos 45 degrees sin 225 degrees+ cos 330 degrees \n" );
document.write( "
Algebra.Com's Answer #819705 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Calculate:\r \n" ); document.write( "\n" ); document.write( "A) Tan^2 225degrees-sin 60 degrees cos 30 degrees ( don't understand what the Tan to the exponent 2 means) \n" ); document.write( "---- \n" ); document.write( "It's the tan(225) squared \n" ); document.write( "tan(225) = 1 ---> tan^2(225) = 1 \n" ); document.write( "------- \n" ); document.write( "Use parentheses \n" ); document.write( "A) Tan^2(225)-sin(60)*cos(30) = \n" ); document.write( "= 1 - 3/4 = 1/4 \n" ); document.write( "======================= \n" ); document.write( "B) cos(45)*sin(225)+cos(330 = cos(45)*(-sin(45)) + cos(30) \n" ); document.write( " \n" ); document.write( " |