With the development of IC card from a simple synchronous card to an asynchronous card, from a simple EPROM card to the internal microprocessor-based smart card (also known as CPU card), the requirements of the IC card is more and more high. The
Ensuring service quality is one of the most advanced topics in the network technology field. Packet Switching is an inevitable trend in the development of network technology, as it overpowers circuit switching and IP networks over traditional
These are the formulas of the triangles.The triangle is a right angle of two sharp angles in short.Cos is the cosine theorem, which is the adjacent edge of the acute angle divided by the hypotenuse of the triangle.Sin is the sine theorem, which is
This article mainly introduces the use of the Cos () method in Python to compute trigonometric functions, which is the basic knowledge of the introduction of Python, the need of friends can refer to the
The Cos () method returns the cosine of x
Sin cos exp is calculated using the Taylor Formula and mclawin formula. To prevent the power operation index from being too high, it is easy to cause overflow when a large input parameter is calculated. Considering that sin and cos both use 2 * PI
The Cos () method returns the cosine of x radians.
The following is the syntax for the Cos () method:
Note: This function is not directly accessible, so we need to import the math module and then call this function with the
Describecos () returns the cosine of the arc of X.GrammarThe following is the syntax for the Cos () method:Import Mathmath.cos (x)Note:cos () is not directly accessible, you need to import the math module, and then call the method through the math
The code is as follows
/* Config */Whether to create a static file on the first pageDefine (' Is_index ', true);/false = does not create home page cache /*end of config*/ Define (' cosversion ', ' 2.7.3 '); To define a
Must be selected. The number argument is a valid numeric expression of any type
Type of same number
Returns the absolute value
This method returns the cosine of a number. The cosine method returns the value between-1 and 1, which indicates the cosine of the angle.Syntax
Math.cos( x )
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