수학동아 - 폴리매스

함께 풀고 싶은 문제

창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.

[창의 퍼즐] 고장난 계산기

△π 2020.12.25 01:02 조회 452

문제 푼 사람 1명

페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

고장이 나서 sin, cos, tan, sin⁻¹, cos⁻¹, tan⁻¹ 버튼만 정상적으로 작동하는 계산기가 있다. 처음에 숫자창은 0이었다. 임의의 양의 유리수 q에 대해, 이 계산기의 버튼을 유한번 눌러서 q가 나타나도록 할 수 있음을 증명하여라. 단, 이 계산기는 오차 없이 무한 소숫점의 실수 계산을 한다고 가정하고, 모든 함수는 라디안으로 계산하는 것으로 한다.

이전글 ILLY ILLY MATH'S MATH QUESTION

다음글 알파벳 놀이

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파스칼 Lv.7 2020.12.28 08:40 비밀댓글

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view.php
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Function: view

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: require_once

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: file_put_contents

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: getLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view_comment_list.php
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Function: parseLatexImg

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/views/ver3/inc/view.php
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Function: view

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Function: view

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
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Function: require_once

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