{"id":"matematyka-2017-nowa-era-probna-podstawowa/zad/15","paper_id":"matematyka-2017-nowa-era-probna-podstawowa","number":"15","points":1,"ptype":"closed","subject":"matematyka","category":"probna","year":2017,"month":null,"level":"podstawowa","text":"Zadanie 15. (0-1)\nWartość wyrażenia\ncos\ncos\ncos\n45\n30\n60\n°\n°\n°\n2\n2\njest równa\nA. 4\n3\nB. 1\nC. 2\nD. 2\n3","answer":"C","answer_text":null,"solution":null,"image":"img/matematyka-2017-nowa-era-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 · 2017 (podstawowa)","subject_label":"Matematyka","category_label":"Matura próbna","text_html":"<p>Zadanie 15. (0-1)<br>Wartość wyrażenia<br>cos<br>cos<br>cos<br>45<br>30<br>60<br>°<br>°<br>°<br>2<br>2<br>jest równa<br>A. 4<br>3<br>B. 1<br>C. 2<br>D. 2<br>3</p>","solutions":[]}