Generally "tanul" can be used for both "learn" and "study" but in my opinion "study" is the appropriate verb for this sentence.
as to my knowledge of Hungarian, doesn't "pihen" also mean relax? my answer was not approved.
In what circumstance would one use this phrase? It would be most helpful if phrases could be taught which also have a conceivable use.
Duolingo isn't very big on sentences that have an actual use. Rather, it wants to teach you the bits you need to make your own sentences. :)
This could be an answer to the question how you spend your days before the final exams.