## DESCRIPTION ## Precalculus: Trigonometry ## ENDDESCRIPTION ## KEYWORDS('precalculus','trigonometric equation') ## Tagged by cmd6a 6/21/06 ## DBsubject('Trigonometry') ## DBchapter('Analytic Trigonometry') ## DBsection('Trigonometric Equations') ## Date('') ## Author('') ## Institution('ASU') ## TitleText1('') ## EditionText1('') ## AuthorText1('') ## Section1('') ## Problem1('') DOCUMENT(); # This should be the first executable line in the problem. loadMacros( "PG.pl", "PGbasicmacros.pl", "PGchoicemacros.pl", "PGanswermacros.pl", "PGauxiliaryFunctions.pl", "PGasu.pl", "extraAnswerEvaluators.pl" ); # No partial credit on this problem, so we say: install_problem_grader(~~&std_problem_grader); TEXT(beginproblem()); $showPartialCorrectAnswers = 0;$pi = 4*atan2(1,1); @values =('\frac{3}{4}','\frac{1}{4}','\frac{1}{2}'); \$tag1 = random(0,2,1); @cos_answers1 = ("1/6", "1/3", "1/4"); @cos_answers2 = ("5/6", "2/3", "3/4"); @cos_answers3 = ("7/6", "4/3", "5/4"); @cos_answers4 = ("11/6", "5/3", "7/4"); TEXT(EV2(<