PeriodicAnswers1

Periodic Answers

Click to enlarge

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

• File location in OPL: FortLewis/Authoring/Templates/Trig/PeriodicAnswers1.pg

Templates by Subject Area

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