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Basics Of Digital Components. Types of Computer Networks. Classical Synchronization Problem. What are Semaphores? The math library in python has a plethora of trigonometric functions which are enough for performing various trigonometric calculations in just minimal lines of code.
These functions can be used after importing the math module or by referencing the math library with the dot operator as follows:. There are 2 helper methods that help convert values from radians to degrees and vice-versa so that you can check the value in any format you want.
Quick Fact: All the trigonometric functions in Python assume that the input angle is in terms of radians. In the code example below, we have used the degrees and radians methods,. This function returns the sine of the value which is passed x here. This function returns the cosine of the value passed x here.
The input x is an angle represented in radians. This function returns the tangent of the value passed to it, i. The input here is an angle in terms of radians. This function returns the inverse of the sine , which is also known as arc sine of a complex number.
The input is in terms of radians and should be within the range -1 to 1. It returns a floating-point number as output. This function returns the cosine inverse of the parameter x in radians. This is also known as arc cosine of a complex number. The value of x should be within the range of -1 and 1. This function returns the inverse of the tangent , in radians.
It is known as arc tangent of the complex number. The parameter's value lies within -1 and 1. It can also be represented as math. This method returns the hyperbolic sine of the angle of the complex number that is passed. This method returns the hyperbolic cosine of the angle of the complex number that is passed. This method returns the hyperbolic tangent of the angle of the complex number that is passed.
It returns a value that lies between —pi and pi. This represents the angle between the positive x-axis and the coordinates x,y. This function returns the hypotenuse , i. This means it returns the distance between origin and the points x,y. This indicates the length of the vector in the 2 D space. This is the numerical value of the vector since vectors have magnitude as well as direction. NOTE: When these values are compared to the numeric values of the angles, there might be a few decimal place differences, which can be safely ignored.
If the tan function is used, the output is 1. Well, you are absolutely right. There are two kinds of exceptions that could potentially occur due to the wrong usage of these methods:. TypeError : This kind of error occurs when a value that is not a number is passed as a parameter to one of the trigonometric methods.
We learned about how various trigonometric methods could be used by importing the math module in python. Remember to always pass the parameter in radians or convert the degrees into radians and then pass it as a parameter. The 'setdefault' Function in Python. The 'time. Python Math Library functions - exp , expm1 , pow , and sqrt. Python Math Functions- fsum , modf , and trunc.