[npl] / trunk / NationalProblemLibrary / Rochester / setTrig06Inverses / p15.pg Repository: Repository Listing bbplugincoursesdistsnplrochestersystemwww

# Annotation of /trunk/NationalProblemLibrary/Rochester/setTrig06Inverses/p15.pg

 1 : jjholt 206 ## DESCRIPTION 2 : ## Precalculus: Trigonometry 3 : ## ENDDESCRIPTION 4 : jj 141 5 : jjholt 206 ## KEYWORDS('trigonometry','inverse trigonometric functions') 6 : ## Tagged by cmd6a 5/11/06 7 : 8 : jj 297 ## DBsubject('Trigonometry') 9 : jjholt 206 ## DBchapter('Analytic Trigonometry') 10 : ## DBsection('Inverse Trigonometric Functions') 11 : ## Date('') 12 : ## Author('') 13 : ## Institution('Rochester') 14 : ## TitleText1('') 15 : ## EditionText1('') 16 : ## AuthorText1('') 17 : ## Section1('') 18 : ## Problem1('') 19 : 20 : jj 141 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 : TEXT(beginproblem()); 33 : $showPartialCorrectAnswers = 1; 34 : 35 : @values =('\frac{1}{36}','\frac{1}{9}','\frac{1}{16}','\frac{1}{25}'); 36 : 37 :$tag1 = random(0,3,1); 38 : $pi = 3.1415927; 39 : @ans1 = (arccos(1/6), arccos(1/3), arccos(1/4), arccos(1/5)); 40 : @ans2= (arccos(-1/6),arccos(-1/3),arccos(-1/4),arccos(-1/5)); 41 : @ans3=(2*$pi-arccos(-1/6),2*$pi-arccos(-1/3),2*$pi-arccos(-1/4),2*$pi-arccos(-1/5)); 42 : @ans4=(2*$pi-arccos(1/6),2*$pi-arccos(1/3),2*$pi-arccos(1/4),2*\$pi-arccos(1/5)); 43 : 44 : TEXT(EV2(<