{"id":"matematyka-2009-listopad-probna-podstawowa/zad/15","paper_id":"matematyka-2009-listopad-probna-podstawowa","number":"15","points":1,"ptype":"closed","subject":"matematyka","category":"probna","year":2009,"month":"listopad","level":"podstawowa","text":"Zadanie 15. (1 pkt)\nKąt α jest ostry i\n8\nsin\n9\nα =\n. Wtedy cosα jest równy\nA. 1\n9\nB.\n8\n9\nC.\n17\n9\nD.\n65\n9","answer":"C","answer_text":null,"solution":null,"image":"img/matematyka-2009-listopad-probna-podstawowa/zad-15.webp","solution_image":null,"topics":"trygonometria","page_from":6,"source":"matugen","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"ocr","source_label":"Matematyka · Matura próbna · listopad 2009 (podstawowa)","subject_label":"Matematyka","category_label":"Matura próbna","text_html":"<p>Zadanie 15. (1 pkt)<br>Kąt α jest ostry i<br>8<br>sin<br>9<br>α =<br>. Wtedy cosα jest równy<br>A. 1<br>9<br>B.<br>8<br>9<br>C.<br>17<br>9<br>D.<br>65<br>9</p>","solutions":[]}