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Function: model

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Function: get_footer

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

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[수학체험실] 사인곡선, 코사인곡선 만들기
수학동아 2018.12.28 20:56 조회 1599
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깜짝 수수께끼! 오르락내리락, 올라갔다 내려왔다를 끊임없이 반복하는 것은? 정답은 사인 곡선! 반대로 일정한 주기로 내려왔다 올라갔다 반복하는 것은? 바로 사인곡선을 왼쪽으로 조금 움직여 만들 수 있는 코사인 곡선이다. 직접 사인 곡선과 코사인 곡선을 만들어 보자.

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