sine function

基本解释

Coefficient formulae derived belong to forms of the sine function.
所推导的系数公式都属正弦函数形式。
The Taylor series is also inefficient compared to the built-in sine function of a modern desktop chip.
泰勒级数的效率也无法与现代桌面芯片的内置正弦函数相比。
The sine function reaches its largest output value, 1, with an input angle of 90 degrees, so we can see that for the longest-range punts 2θ = 90 degrees and, therefore, θ= 45 degrees.
当sine函数的输入值是 90度，输出值达到它的最大值1，因此我们可以得出2θ = 90度，也就是θ = 45度的时候球踢得最远。

Its movement looks like a regular sine wave function within pretty defined parameters, and this pattern has held true for the last 1200 days.
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