np.radians

Python math.radians()方法 (Python math.radians() method)

math.radians() method is a library method of math module, it is used to convert angle value from degree to radians, it accepts a number and returns the angle value in radians.

math.radians()方法是數學模塊的庫方法，用于將角度值從度轉換為弧度，它接受一個數字并以弧度返回角度值。

Note: math.radians() method accepts only numbers, if we provide anything else except the number, it returns error TypeError – "TypeError: a float is required".

注意： math.radians()方法僅接受數字，如果我們提供除數字以外的任何其他內容，它將返回錯誤TypeError – “ TypeError：需要浮點數” 。

Syntax of math.radians() method:

math.radians()方法的語法：

math.radians(x)

Parameter(s): x – is the number in degree to be converted into radians.

參數： x –是要轉換為弧度的度數。

Return value: float – it returns a float value that is the angle value in radians.

返回值： float-它返回一個浮點值，即以弧度為單位的角度值。

Example:

例：

Input:x = 10.25# function callprint(math.radians(x))Output:0.17889624832941878

Python代碼演示math.radians()方法的示例 (Python code to demonstrate example of math.radians() method)

# Python code to demonstrate example of # math.radians() method# importing math module import math # number in radians x = 0 print("math.radians(",x,"): ", math.radians(x))x = 0.25 print("math.radians(",x,"): ", math.radians(x))x = 10.25 print("math.radians(",x,"): ", math.radians(x))x = -0.25 print("math.radians(",x,"): ", math.radians(x))

Output

輸出量

math.radians( 0 ): 0.0 math.radians( 0.25 ): 0.004363323129985824 math.radians( 10.25 ): 0.17889624832941878 math.radians( -0.25 ): -0.004363323129985824

TypeError example

TypeError示例

# Python code to demonstrate example of # math.radians() method with exception# importing math module import math # number in radians x = "10" print("math.radians(",x,"): ", math.radians(x))

Output

輸出量

Traceback (most recent call last):File "/home/main.py", line 9, in <module>print("math.radians(",x,"): ", math.radians(x)) TypeError: a float is required

翻譯自: https://www.includehelp.com/python/math-radians-method-with-example.aspx

np.radians

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