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Thu Jul 19 21:11:19 2007 UTC (5 years, 10 months ago) by jjholt
File size: 1902 byte(s)
Updated/Consolidated tags.


    1 ## DESCRIPTION
2 ## Precalculus: Trigonometry
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS('precalculus','trigonometric graphs')
6 ## Tagged by cmd6a 6/21/06
7
8 ## DBsubject('Trigonometry')
9 ## DBchapter('Trigonometric Functions of Real Numbers')
10 ## DBsection('Trigonometric Graphs')
11 ## Date('')
12 ## Author('')
13 ## Institution('ASU')
14 ## TitleText1('')
15 ## EditionText1('')
16 ## AuthorText1('')
17 ## Section1('')
18 ## Problem1('')
19
20 DOCUMENT();        # This should be the first executable line in the problem.
21
23 "PG.pl",
24 "PGbasicmacros.pl",
25 "PGchoicemacros.pl",
27 "PGauxiliaryFunctions.pl",
28 "PGgraphmacros.pl",
29 "PGasu.pl"
30 );
31
32 TEXT(beginproblem());
33
34 # no partial credit on this problem:
35
36 $showPartialCorrectAnswers = 0; 37 install_problem_grader(~~&std_problem_grader); 38 39 #Make a new select list 40 41$tf=new_select_list();
42 # $tf now "contains" the select list object. 43 44 #Insert some question and whether or not they are true. 45$tf->qa(
46 "$$\sin (x)$$ is odd and $$\cos (x)$$ is even ",
47 "T",
48 "$$\tan (x) = \tan (-x)$$  for all $$x$$ in the domain of $$\tan (x)$$",
49 "F",
50 " $$\sec (x)$$ and $$\tan (x)$$ are undefined for the same values of $$x$$",
51 "T",
52 "  $$y = \tan (2x)$$ has period $$\pi$$",
53 "F",
54 "The domain of $$\tan (x)$$ is all real numbers",
55 "F",
56 " The range of $$\tan (x)$$ is all real numbers",
57 "T",
58 "$$\tan (x)$$ and $$\cot x$$ are odd functions",
59 "T"
60 );
61
62 #Choose 4 of the questions and answer pairs at random
63 $tf->choose(4); 64 65 # Now print the text using$ml->print_q
66
67 BEGIN_TEXT
68 $PAR 69 70 Enter T or F depending on whether the statement is true or false 71 (You must enter T or F -- True and False will not work.)$BR
72 \{ $tf->print_q \} 73$PAR
74 END_TEXT
75
76 #Enter the correct answers to be checked against the answers
77 ANS(str_cmp(\$tf->ra_correct_ans));
78
79 #The ra_.. means that the output of this function is an array
80 ENDDOCUMENT();        # This should be the last executable line in the problem.


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