document.write( "Question 1068832: Solve sec^2 θ + 2tan^2 θ = 4 for all positive angles less than 360°. \n" ); document.write( "
Algebra.Com's Answer #684083 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! sec^2 + 2tan^2 = 4 \n" ); document.write( "Sub for sec^2 \n" ); document.write( "tan^2+1 + 2tan^2 = 4 \n" ); document.write( "3tan^2 = 3 \n" ); document.write( "tan^2 = 1 \n" ); document.write( "tan(t) = 1 \n" ); document.write( "theta = 45, 225 degs \n" ); document.write( "----------- \n" ); document.write( "tan(t) = -1 \n" ); document.write( "theta = 135, 315 degs \n" ); document.write( " \n" ); document.write( " |