{"id":"site-2654/zad/3144","paper_id":"site-2654","number":"3144","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Kąt alfa jest ostry i cos alfa = 3/4. Wtedy sin alfa jest równy A. 1/4, B. pierwiastek z 7 / 4, C. 7/16, D. pierwiastek z 7 / 16","answer":null,"answer_text":null,"solution":null,"image":"img/site/2654/zad-3144.svg","solution_image":"img/site/2654/rozw-3144.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań","text_html":"<p>Kąt alfa jest ostry i cos alfa = 3/4. Wtedy sin alfa jest równy A. 1/4, B. pierwiastek z 7 / 4, C. 7/16, D. pierwiastek z 7 / 16</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2654/rozw-3144.svg"}]}