Express the limit as a definite integral on the given interval. $\lim _{n \rightarrow \infty} \sum_{i=1}^{n}\left(3 r_{i} \sin r_{i}\right) \Delta r$ $\quad \quad [3,11]$

Question

Express the limit as a definite integral on the given interval. $\lim _{n \rightarrow \infty} \sum_{i=1}^{n}\left(3 r_{i} \sin r_{i}\right) \Delta r$  $\quad \quad [3,11]$

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The Answer of Express the limit as a definite integral on the given interval. $\lim _{n \rightarrow \infty} \sum_{i=1}^{n}\left(3 r_{i} \sin r_{i}\right) \Delta r$  $\quad \quad [3,11]$

Express the Limit as a Definite Integral on the Given lim⁡n→∞∑i=1n(3risin⁡ri)Δr\lim _{n \rightarrow \infty} \sum_{i=1}^{n}\left(3 r_{i} \sin r_{i}\right) \Delta rlimn→∞​∑i=1n​(3ri​sinri​)Δr

Express the Limit as a Definite Integral on the Given $\lim _{n \rightarrow \infty} \sum_{i=1}^{n}\left(3 r_{i} \sin r_{i}\right) \Delta r$