View of /trunk/NationalProblemLibrary/Rochester/setTrig04FunctionsAnyAngle/srw6_3_29.pg

    1 ##DESCRIPTION
    2 ## Algebra: Trigonometric functions of angles
    3 ##ENDDESCRIPTION
    4 
    5 ##KEYWORDS('algebra', 'trigonometric functions of angles', 'exact value')
    6 
    7 ## tcao , PAID on 11-24-2003
    8 
    9 ## DBsubject('Trigonometry')
   10 ## DBchapter('Trigonometric Functions of Angles')
   11 ## DBsection('Trigonometric Functions of Angles')
   12 ## Date('6/3/2002')
   13 ## Author('')
   14 ## Institution('')
   15 ## TitleText1('Precalculus')
   16 ## EditionText1('3')
   17 ## AuthorText1('Stewart, Redlin, Watson')
   18 ## Section1('6.3')
   19 ## Problem1('29')
   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 );
   29 
   30 TEXT(beginproblem());
   31 $showPartialCorrectAnswers = 0;
   32 
   33 $a=random(1,4,1);
   34 $b=2*$a+1;
   35 
   36 TEXT(EV2(<<EOT));
   37 Find the exact value.
   38 $BR
   39 \(\cot (\frac{$b}{2}\pi) = \) \{ans_rule(15)\};
   40 $BR
   41 EOT
   42 
   43 $ans1=0;
   44 ANS(num_cmp($ans1));
   45 
   46 ENDDOCUMENT();        # This should be the last executable line in the problem.