https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&feed=atom&action=history
TrigIdentities1 - Revision history
2024-03-19T08:41:32Z
Revision history for this page on the wiki
MediaWiki 1.34.0
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=23764&oldid=prev
Pstaabp: add historical tag and give links to newer problems.
2023-07-18T10:00:42Z
<p>add historical tag and give links to newer problems.</p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 10:00, 18 July 2023</td>
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Pstaabp
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=8713&oldid=prev
Paultpearson: PGML example link
2015-06-13T22:10:56Z
<p>PGML example link</p>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></p></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* File location in OPL: [https://github.com/openwebwork/webwork-open-problem-library/blob/master/OpenProblemLibrary/FortLewis/Authoring/Templates/Trig/TrigIdentities1.pg FortLewis/Authoring/Templates/Trig/TrigIdentities1.pg]</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* File location in OPL: [https://github.com/openwebwork/webwork-open-problem-library/blob/master/OpenProblemLibrary/FortLewis/Authoring/Templates/Trig/TrigIdentities1.pg FortLewis/Authoring/Templates/Trig/TrigIdentities1.pg]</div></td>
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Paultpearson
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=8712&oldid=prev
Paultpearson at 03:27, 16 June 2013
2013-06-16T03:27:42Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 03:27, 16 June 2013</td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.</div></td>
<td class="diff-marker"> </td>
<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></p></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Download file: [[File:TrigIdentities1.txt]] (change the file extension from txt to pg when you save it)</div></td>
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Paultpearson
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=8711&oldid=prev
Paultpearson at 20:32, 3 January 2012
2012-01-03T20:32:07Z
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Paultpearson
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=8710&oldid=prev
Pearson at 23:28, 2 December 2010
2010-12-02T23:28:57Z
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><p style="background-color:#<ins class="diffchange diffchange-inline">f9f9f9</ins>;border:black solid 1px;padding:3px;"></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.</div></td>
<td class="diff-marker"> </td>
<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.</div></td>
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Pearson
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=8709&oldid=prev
Pearson at 20:25, 2 December 2010
2010-12-02T20:25:33Z
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><p style="background-color:#eeeeee;border:black solid 1px;padding:3px;"></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><p style="background-color:#eeeeee;border:black solid 1px;padding:3px;"></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.</div></td>
<td class="diff-marker"> </td>
<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.</div></td>
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<td class="diff-marker">−</td>
<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><ul></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>Download file: [[File:TrigIdentities1.txt]] (change the file extension from txt to pg when you save it)</li></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><li>File location in NPL: <code>NationalProblemLibrary/FortLewis/Authoring/Templates/Trig/TrigIdentities.pg</code></li></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></p></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Download file: [[File:TrigIdentities1.txt]] (change the file extension from txt to pg when you save it)</div></td>
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<td class="diff-marker">+</td>
<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* File location in NPL: <code>FortLewis/Authoring/Templates/Trig/TrigIdentities.pg</code></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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Pearson
https://webwork.maa.org/mediawiki_new/index.php?title=TrigIdentities1&diff=8708&oldid=prev
Pearson: Created page with '<h2>Trig Identities 1: Cleverly Redefining Functions</h2> <p style="background-color:#eeeeee;border:black solid 1px;padding:3px;"> This PG code shows how to redefine a named fu…'
2010-12-01T20:22:32Z
<p>Created page with '<h2>Trig Identities 1: Cleverly Redefining Functions</h2> <p style="background-color:#eeeeee;border:black solid 1px;padding:3px;"> This PG code shows how to redefine a named fu…'</p>
<p><b>New page</b></p><div><h2>Trig Identities 1: Cleverly Redefining Functions</h2><br />
<br />
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;"><br />
This PG code shows how to redefine a named function internally so that students must apply a trig identity and simplify their answer.<br />
<ul><br />
<li>Download file: [[File:TrigIdentities1.txt]] (change the file extension from txt to pg when you save it)</li><br />
<li>File location in NPL: <code>NationalProblemLibrary/FortLewis/Authoring/Templates/Trig/TrigIdentities.pg</code></li><br />
</ul><br />
</p><br />
<br />
<p style="text-align:center;"><br />
[[SubjectAreaTemplates|Templates by Subject Area]]<br />
</p><br />
<br />
<table cellspacing="0" cellpadding="2" border="0"><br />
<br />
<tr valign="top"><br />
<th> PG problem file </th><br />
<th> Explanation </th><br />
</tr><br />
<br />
<br />
<!-- Problem tagging section --><br />
<br />
<tr valign="top"><br />
<td style="background-color:#eeeeee;border:black 1px dashed;"><br />
[http://webwork.maa.org/wiki/Tagging_Problems Problem tagging data]<br />
</td><br />
<td style="background-color:#eeeeee;padding:7px;"><br />
<p><br />
<b>Problem tagging:</b><br />
</p><br />
</td><br />
</tr><br />
<br />
<br />
<!-- Initialization section --><br />
<br />
<tr valign="top"><br />
<td style="background-color:#ddffdd;border:black 1px dashed;"><br />
<pre><br />
DOCUMENT(); <br />
<br />
loadMacros(<br />
"PGstandard.pl",<br />
"MathObjects.pl",<br />
"AnswerFormatHelp.pl",<br />
"answerHints.pl",<br />
);<br />
<br />
TEXT(beginproblem());<br />
</pre><br />
</td><br />
<td style="background-color:#ddffdd;padding:7px;"><br />
<p><br />
<b>Initialization:</b><br />
</p><br />
</td><br />
</tr><br />
<br />
<br />
<!-- Setup section --><br />
<br />
<tr valign="top"><br />
<td style="background-color:#ffffdd;border:black 1px dashed;"><br />
<pre><br />
Context("Numeric");<br />
<br />
Context()->functions->remove("tan");<br />
package NewFunc;<br />
# this next line makes the function a <br />
# function from reals to reals<br />
our @ISA = qw(Parser::Function::numeric);<br />
sub tan {<br />
shift; my $x = shift;<br />
return CORE::exp($x*3.1415926535);<br />
}<br />
package main;<br />
# Make it work on formulas as well as numbers<br />
sub tan {Parser::Function->call('tan',@_)} <br />
# Add the new functions to the Context<br />
Context()->functions->add( <br />
tan => {class =>'NewFunc', TeX =>'\tan'}, );<br />
</pre><br />
</td><br />
<td style="background-color:#ffffcc;padding:7px;"><br />
<p><br />
<b>Setup:</b> <br />
We redefine the function whose<br />
name is <code>tan(x)</code> to take values<br />
<code>exp(pi * x)</code>.<br />
</p><br />
</td><br />
</tr><br />
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<!-- Main text section --><br />
<br />
<tr valign="top"><br />
<td style="background-color:#ffdddd;border:black 1px dashed;"><br />
<pre><br />
Context()->texStrings;<br />
BEGIN_TEXT<br />
Simplify the expression as much as possible.<br />
$BR<br />
$BR<br />
\( \tan(x) \cos(x) \) = \{ ans_rule(20) \}<br />
\{ AnswerFormatHelp("formulas") \}<br />
END_TEXT<br />
Context()->normalStrings;<br />
</pre><br />
<td style="background-color:#ffcccc;padding:7px;"><br />
<p><br />
<b>Main Text:</b><br />
</p><br />
</td><br />
</tr><br />
<br />
<!-- Answer evaluation section --><br />
<br />
<tr valign="top"><br />
<td style="background-color:#eeddff;border:black 1px dashed;"><br />
<pre><br />
$showPartialCorrectAnswers = 1;<br />
<br />
ANS(Formula("sin(x)")->cmp() <br />
->withPostFilter(AnswerHints(<br />
Compute("tan(x)*cos(x)") => <br />
"No credit for entering what you were given.",<br />
))<br />
);<br />
</pre><br />
<td style="background-color:#eeccff;padding:7px;"><br />
<p><br />
<b>Answer Evaluation:</b><br />
</p><br />
</td><br />
</tr><br />
<br />
<!-- Solution section --><br />
<br />
<tr valign="top"><br />
<td style="background-color:#ddddff;border:black 1px dashed;"><br />
<pre><br />
Context()->texStrings;<br />
BEGIN_SOLUTION<br />
${PAR}SOLUTION:${PAR}<br />
Solution explanation goes here.<br />
END_SOLUTION<br />
Context()->normalStrings;<br />
<br />
COMMENT('MathObject version.');<br />
<br />
ENDDOCUMENT();<br />
</pre><br />
<td style="background-color:#ddddff;padding:7px;"><br />
<p><br />
<b>Solution:</b><br />
</p><br />
</td><br />
</tr><br />
<br />
</table><br />
<br />
<p style="text-align:center;"><br />
[[SubjectAreaTemplates|Templates by Subject Area]]<br />
</p><br />
<br />
[[Category:Top]]<br />
[[Category:Authors]]</div>
Pearson