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# Annotation of /trunk/NationalProblemLibrary/ASU-topics/setTrigEquations/p7.pg

 1 : jj 61 ## DESCRIPTION 2 : jjholt 317 ## Precalculus: Trigonometry 3 : jj 61 ## ENDDESCRIPTION 4 : 5 : jjholt 317 ## KEYWORDS('precalculus','trigonometric equation') 6 : ## Tagged by cmd6a 6/21/06 7 : jj 61 8 : jj 318 ## DBsubject('Trigonometry') 9 : jjholt 317 ## DBchapter('Analytic Trigonometry') 10 : jj 61 ## DBsection('Trigonometric Equations') 11 : jjholt 317 ## Date('') 12 : ## Author('') 13 : ## Institution('ASU') 14 : ## TitleText1('') 15 : ## EditionText1('') 16 : ## AuthorText1('') 17 : ## Section1('') 18 : ## Problem1('') 19 : jj 61 20 : DOCUMENT(); # This should be the first executable line in the problem. 21 : 22 : loadMacros( 23 : "PG.pl", 24 : "PGbasicmacros.pl", 25 : "PGchoicemacros.pl", 26 : "PGanswermacros.pl", 27 : "PGauxiliaryFunctions.pl", 28 : "PGasu.pl", 29 : "extraAnswerEvaluators.pl" 30 : ); 31 : 32 : # No partial credit on this problem, so we say: 33 : install_problem_grader(~~&std_problem_grader); 34 : 35 : gage 268 TEXT(beginproblem()); 36 : jj 61 $showPartialCorrectAnswers = 0; 37 :$pi = 4*atan2(1,1); 38 : @values =('\frac{3}{4}','\frac{1}{4}','\frac{1}{2}'); 39 : \$tag1 = random(0,2,1); 40 : 41 : 42 : @cos_answers1 = ("1/6", "1/3", "1/4"); 43 : @cos_answers2 = ("5/6", "2/3", "3/4"); 44 : @cos_answers3 = ("7/6", "4/3", "5/4"); 45 : @cos_answers4 = ("11/6", "5/3", "7/4"); 46 : 47 : 48 : 49 : TEXT(EV2(<