Contrib/CUNY/CityTech/Precalculus/setTrigonometry_-_Graphing_Comprehensive/amp-per-phase-cosine.pg

[lorimccune]

Problem Seed: 4976

This problem doesn't seem to accept the correct graph.

[dlglin]

When I try that seed it works if you shift the graph in the conventional manner (i.e. by moving the point P to the right).

If you move P to the left to obtain an equivalent graph you get a message indicating that you have shifted in the wrong direction. I'm not sure whether that should be marked correct, since there is the tacit assumption that since the point P starts on the graph of y=cos(x) that you should move P to its image under the transformations done to y=cos(x).