b'\n_START_ARTICLE_\nKosinus koversus\n_START_PARAGRAPH_\nKosinus koversus je ji\xc5\xbe nepou\xc5\xbe\xc3\xadvan\xc3\xa1 goniometrick\xc3\xa1 funkce. Zna\xc4\x8dila se  nebo .\n_START_SECTION_\nDefinice\n_START_PARAGRAPH_\nKosinus koversus je definov\xc3\xa1n pomoc\xc3\xad sinu:_NEWLINE_.'