This is the 242nd most frequent Turkish word.
öğrenildi
"Öğrenildi" means "it was learned" in English.
Here, 'öğrenildi' conveys the passive voice to indicate that the secret has been learned or discovered by someone, though it doesn't specify by whom.
Bu sırrın artık öğrenildi.
This secret has now been learned.
In this sentence, 'öğrenildi' is used in the past passive voice, showing that learning the formula was accomplished without focusing on the learner.
Matematik formülü başarıyla öğrenildi.
The math formula has been successfully learned.
The word 'öğrenildi' in this context is used to frame the action of learning as something that happened in the past in a passive way, indicating the result without specifying the doer.