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Let $A=\int_{0}^{1}\cos x\,dx$. We estimate $A$ using the $L$, $R$, and $\newline$$T$ approximations with $n=100$ subintervals. Which is true?$\newline$(A) $L < A < T < R$$\newline$(B) $L < T < A < R$$\newline$(C) $R < A < T < L$$\newline$(D) $R < T < A < L$