Difference between revisions of "PeriodicAnswers1"

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Line 123: Line 123:
 
Context()->texStrings;
 
Context()->texStrings;
 
BEGIN_SOLUTION
 
BEGIN_SOLUTION
  +
The cosine of an angle is zero when
  +
the angle is an integer multiple of \( \pi \).
 
END_SOLUTION
 
END_SOLUTION
 
Context()->normalStrings;
 
Context()->normalStrings;

Revision as of 18:03, 30 November 2010

Periodic Answers


This PG code shows how to check student answers that are periodic.

File location: NationalProblemLibrary/FortLewis/Authoring/Templates/Trig/PeriodicAnswers1.pg

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PG problem file Explanation

Problem tagging data

Problem tagging:

DOCUMENT();
loadMacros(
"PGstandard.pl",
"MathObjects.pl",
"AnswerFormatHelp.pl",
);
TEXT(beginproblem());

Initialization:

Context("Numeric");

$answer = Real("pi/2")->with(period=>pi);

Setup: This is self-explanatory.

Context()->texStrings;
BEGIN_TEXT
Enter a solution to \( \cos(\theta) = 0 \).
$BR
$BR
\( \theta = \)
\{ ans_rule(10) \}
\{ AnswerFormatHelp("angles") \}
END_TEXT
Context()->normalStrings;

Main Text:

$showPartialCorrectAnswers = 1;

ANS( $answer->cmp() );

Answer Evaluation:


Context()->texStrings;
BEGIN_SOLUTION
The cosine of an angle is zero when 
the angle is an integer multiple of \( \pi \).
END_SOLUTION
Context()->normalStrings;

ENDDOCUMENT();

Solution:

Templates by Subject Area