余弦函数
网络释义专业释义
双语例句原声例句
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注意这个余弦函数的。
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被限定的余弦函数之反函数叫做反余弦函数。
The inverse function of that restricted cosine function is called the arccosine function.
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目的研究正弦函数和余弦函数的一些计算公式。
Aim To study some calculation formula of sine function and cosine function.
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Then you're supposed to know derivatives of simple functions like sines and cosines.
你应该知道一些简单函数的导数,比如正弦函数和余弦函数
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I'm using the fact that when you take a cosine and change the angle inside the cosine, it doesn't care. whereas, if you go to the sine and change the angle inside the sine, it becomes minus sine.
我用了一个结论,当你使用余弦函数时,改变角度的正负,函数值不变,而对于正弦函数,改变角度的符号,则函数值也会变号
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For example, this is x=t, x=t^, you're going to have x=sin t and cos t and log t.
例如,这是x=t,x=t^,你还会遇到正弦,余弦,对数函数
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