document.write( "Question 614602: Which of the following is not a solution to the equation 4sin^2 X = 1\r
\n" );
document.write( "\n" );
document.write( "(a) 30
\n" );
document.write( "(b) 210
\n" );
document.write( "(c) 150
\n" );
document.write( "(d) 120\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #386657 by lwsshak3(11628) ![]() You can put this solution on YOUR website! Which of the following is not a solution to the equation 4sin^2 X = 1 \n" ); document.write( "(a) 30 \n" ); document.write( "(b) 210 \n" ); document.write( "(c) 150 \n" ); document.write( "(d) 120 \n" ); document.write( "** \n" ); document.write( "4sin^2x = 1 \n" ); document.write( "sin^x=1/4 \n" ); document.write( "sinx=1/2 \n" ); document.write( "x=30º and 150º in quadrants I and II where sin>0 \n" ); document.write( "(b) and (d) are not the solutions \n" ); document.write( " |