<![CDATA[
<div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1G8uF/4ea3cd88c40a98835ad6473e6439bf23a636d023" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1G8uF/4ea3cd88c40a98835ad6473e6439bf23a636d023" data-origin-width="3060" data-origin-height="4080"></div><p>도움부탁드립니다</p>
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질문과 답
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추천 0
조회 96
22.12.14 00:12
댓글 2
다음검색
첫댓글 s-c=t, (c+s)dx=dt
1-2sc=t^2, 2sc=sin2x=1-t^2
1/루트(1-t^2)(0~-1/2)
t=sine, dt=cosede
1/루트(1-t^2)=1/cose
[e](0~-ㅠ/6)=ㅠ/6
감사합니다