T í n h
$$\begin{equation}\begin{split} f(\,x\,)= \int_{\,x}^{\,x+ \frac{\pi}{2}}\,\frac{\left | \sin\,t \right |}{1+ \sin^{\,2}\,t}\,\text{d}t \end{split}\end{equation}$$
Đã gửi 05-05-2019 - 09:39
T í n h
$$\begin{equation}\begin{split} f(\,x\,)= \int_{\,x}^{\,x+ \frac{\pi}{2}}\,\frac{\left | \sin\,t \right |}{1+ \sin^{\,2}\,t}\,\text{d}t \end{split}\end{equation}$$
20:46, 22/12/2019
0 thành viên, 2 khách, 0 thành viên ẩn danh