[npl] / trunk / NationalProblemLibrary / Rochester / setTrig06Inverses / srw7_4_11.pg Repository: Repository Listing bbplugincoursesdistsnplrochestersystemwww

# View of /trunk/NationalProblemLibrary/Rochester/setTrig06Inverses/srw7_4_11.pg

Thu Aug 16 23:07:34 2007 UTC (5 years, 9 months ago) by jj
File size: 1202 byte(s)
Moved problems back into place in the Rochester library, and set up
redirect files from their former locations.


    1 ##DESCRIPTION
2 ## Algebra: Analytic Trigonometry
3 ##ENDDESCRIPTION
4
5 ##KEYWORDS('algebra', 'analytic trigonometry', 'inverse trigonometric function')
6
7 ## tcao , PAID on 11-24-2003
8
9 ## DBsubject('Trigonometry')
10 ## DBchapter('Analytic Trigonometry')
11 ## DBsection('Inverse Trigonometric Functions')
12 ## Date('6/3/2002')
13 ## Author('')
14 ## Institution('')
15 ## TitleText1('Precalculus')
16 ## EditionText1('3')
17 ## AuthorText1('Stewart, Redlin, Watson')
18 ## Section1('7.4')
19 ## Problem1('10')
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 );
29
30 TEXT(beginproblem());
31 $showPartialCorrectAnswers = 0; 32 33$a=random(112,190,1);
34 $b=$a/100;
35
36 TEXT(EV2(<<EOT));
37 Find an approximate value of each expression correct to at least five decimal
38 places if it is defined, $BBOLD otherwise, input undefined.$EBOLD
39 $BR 40 (a) $$\tan^{-1} b =$$ \{ans_rule(10)\} radians. 41$BR
42 (b) $$\sin^{-1} b =$$ \{ans_rule(10)\} radians.
43 $BR 44 EOT 45 46$ans1= arctan($b); 47$ans2= "undefined";
48
49 ANS(num_cmp($ans1)); 50 ANS(str_cmp($ans2));
51
52 ENDDOCUMENT();        # This should be the last executable line in the problem.