Question: what do you call sine cosine and tangent
[{'answer': 'trigonometric functions', 'provenance': [{'wikipedia_id': '30367', 'title': 'Trigonometric functions', 'start_paragraph_id': 1, 'start_character': 20, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]