document.write( "Question 493016: Find all t in the interval [0, 2π] satisfying (cos t)2 + 4 cos t + 3 = 0. (Enter your answers as a comma-separated list.) \n" ); document.write( "
Algebra.Com's Answer #335238 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Sub x for cos(t) \n" ); document.write( "Solve for x \n" ); document.write( "Sub cos(t) for x. \n" ); document.write( " |