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version 1.2, 2007/01/23 21:16:50
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version 1.3, 2007/05/21 22:11:07
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| <problem> |
<problem> |
| <script type="loncapa/perl"> |
<script type="loncapa/perl"> |
| $a1 = random(-6,6,4); |
$a1 = &random(-6,6,4); |
| $a2 = random(-6,6,4); |
$a2 = &random(-6,6,4); |
| $n1 = random(3,11,2); |
$n1 = &random(3,11,2); |
| $n2 = random(2,10,2); |
$n2 = &random(2,10,2); |
| $function = "$a1*cos($n1*x)+$a2*sin($n2*x)"; |
$function = "$a1*cos($n1*x)+$a2*sin($n2*x)"; |
| $example=&xmlparse('An example would be <m eval="on">$(sin($n1\cdot x)+cos($n2\cdot x))/\sqrt{2}$</m>'); |
$example=&xmlparse('An example would be <m eval="on">$(sin($n1\cdot x)+cos($n2\cdot x))/\sqrt{2}$</m>'); |
| </script> |
</script> |
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