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Annotation of /trunk/NationalProblemLibrary/Rochester/setTrig07Identity/p6.pg

 1 : jjholt 206 ## DESCRIPTION 2 : ## Precalculus: Trigonometric Identities 3 : ## ENDDESCRIPTION 4 : jj 141 5 : jjholt 206 ## KEYWORDS('trigonometry','half-angle') 6 : ## Tagged by cmd6a 5/11/06 7 : 8 : jj 297 ## DBsubject('Trigonometry') 9 : jjholt 206 ## DBchapter('Analytic Trigonometry') 10 : ## DBsection('Double- and Half-Angle/Product-Sum Formulas') 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 : "PGgraphmacros.pl", 29 : "PGasu.pl" 30 : ); 31 : 32 : TEXT(beginproblem()); 33 : 34 : $showPartialCorrectAnswers = 1; 35 : 36 : 37 :$a=random(2,8,1); 38 : 39 : 40 : #evaluate answers 41 : 42 : 43 : $ans1=1/2; 44 :$ans2=1/2; 45 : $ans3=2*$a; 46 : 47 : TEXT(EV2(<