{"id":"site-2654/zad/8155","paper_id":"site-2654","number":"8155","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Kąt α jest ostry i spełnia warunek sinα + sin²α = cosα - cos²α + 1. Tangens kąta α jest równy A. 1/2 B. √2/2 C. 1 D. 2","answer":null,"answer_text":null,"solution":null,"image":"img/site/2654/zad-8155.svg","solution_image":"img/site/2654/rozw-8155.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 α jest ostry i spełnia warunek sinα + sin²α = cosα - cos²α + 1. Tangens kąta α jest równy A. 1/2 B. √2/2 C. 1 D. 2</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2654/rozw-8155.svg"}]}