<![CDATA[optical problem in curve definition]]>
https://help.geogebra.org/topic/optical-problem-in-curve-definition
Sat, 20 Mar 2021 21:09:59 +0000Sat, 20 Mar 2021 11:25:55 +0000Zend_Feed<![CDATA[It looks like this for me. What do you think it should look like?]]>
https://help.geogebra.org/topic/optical-problem-in-curve-definition#comment-301332
Sat, 20 Mar 2021 15:48:10 +0000<![CDATA[BTW: the integral arclen_p does not compute in CAS
Please upload correct .ggb file, CAS is blank]]>
https://help.geogebra.org/topic/optical-problem-in-curve-definition#comment-301334
Sat, 20 Mar 2021 15:57:08 +0000<![CDATA[the silder r is shown once as r (variable name) and an other hand as 1 (value of r) as marked in pic. r has the value 1. CAS updated...]]>
https://help.geogebra.org/topic/optical-problem-in-curve-definition#comment-301348
Sat, 20 Mar 2021 19:33:29 +0000<![CDATA[Use NIntegral() for now: NIntegral((1 / 2 * sqrt((-sin(x) + 2)^2 + (cos(x))^2)),0,pi / 2)]]>
https://help.geogebra.org/topic/optical-problem-in-curve-definition#comment-301352
Sat, 20 Mar 2021 21:10:01 +0000