{"id":"site-2653/zad/5319","paper_id":"site-2653","number":"5319","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Dany jest trójkąt prostokątny o kątach ostrych α i β (zobacz rysunek). Wyrażenie 2cosα - sinβ jest równe A. 2sinβ; B. cosα; C. 0; D. 2.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2653/zad-5319.svg","solution_image":"img/site/2653/rozw-5319.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>Dany jest trójkąt prostokątny o kątach ostrych α i β (zobacz rysunek). Wyrażenie 2cosα - sinβ jest równe A. 2sinβ; B. cosα; C. 0; D. 2.</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2653/rozw-5319.svg"}]}