Type in plot sin (x) at the prompt: you should see the familiar sine curve in a pop-up window.
在提示符中输入plotsin (x):您应该在弹出窗口中看到熟悉的正弦曲线。
We will be doing qualitative questions sin like what is the sine of a partial derivative.
会有一些定性的问题,比如说。
So, whenever I see dx, I will replace it by, well, -sin the derivative of cosine is negative sine.
当我看到dx,就把它替换成cos的导数,也就是。
So, whenever I see dx, I will replace it by, well, -sin the derivative of cosine is negative sine.
当我看到dx,就把它替换成cos的导数,也就是。
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