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# View of /trunk/NationalProblemLibrary/Rochester/setTrig06Inverses/srw7_4_15.pg

Thu Aug 16 23:07:34 2007 UTC (5 years, 9 months ago) by jj
File size: 1135 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('13')
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(2,9,1);
34
35 TEXT(EV2(<<EOT));
36 Find the value of each expression if defined;
37 $BBOLD otherwise, input undefined.$EBOLD
38 $BR 39 (a) $$\tan(\tan^{-1} a) =$$ \{ans_rule(10)\}. 40$BR
41 (b) $$\sin^{-1}[\sin (-\frac{\pi}{6})] =$$ \{ans_rule(10)\} radians.
42 $BR 43 EOT 44 45$ans1= $a; 46$ans2= -$PI/6; 47 48 ANS(num_cmp($ans1));
49 ANS(num_cmp(\$ans2));
50
51 ENDDOCUMENT();        # This should be the last executable line in the problem.