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人気のある微分積分 >

integral from 0 to pi of |cos(t)|

解

\int_{0}^{π} ∣ cos (t) ∣ d t

解

2

解答ステップ

\int_{0}^{π} ∣ cos (t) ∣ d t

絶対数を排除する

= \int_{0}^{\frac{π}{2}} cos (t) d t + \int_{\frac{π}{2}}^{π} - cos (t) d t

\int_{0}^{\frac{π}{2}} cos (t) d t = 1

\int_{\frac{π}{2}}^{π} - cos (t) d t = 1

= 1 + 1

簡素化

= 2

グラフ

人気の例

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