# Mathematical Functions in Python | Set 3 (Trigonometric and Angular Functions)

• Difficulty Level : Easy
• Last Updated : 28 Jul, 2016

Some of the mathematical functions are discussed in below set 1 and set 2

1. sin() :- This function returns the sine of value passed as argument. The value passed in this function should be in radians.

2. cos() :- This function returns the cosine of value passed as argument. The value passed in this function should be in radians.

 `# Python code to demonstrate the working of``# sin() and cos()``  ` `# importing "math" for mathematical operations``import` `math`` ` `a ``=` `math.pi``/``6``  ` `# returning the value of sine of pi/6``print` `(``"The value of sine of pi/6 is : "``, end``=``"")``print` `(math.sin(a))``  ` `# returning the value of cosine of pi/6``print` `(``"The value of cosine of pi/6 is : "``, end``=``"")``print` `(math.cos(a))`

Output:

```The value of sine of pi/6 is : 0.49999999999999994
The value of cosine of pi/6 is : 0.8660254037844387
```

3. tan() :- This function returns the tangent of value passed as argument. The value passed in this function should be in radians.

4. hypot(a, b) :- This returns the hypotenuse of the values passed in arguments. Numerically, it returns the value of sqrt(a*a + b*b).

 `# Python code to demonstrate the working of``# tan() and hypot()``  ` `# importing "math" for mathematical operations``import` `math`` ` `a ``=` `math.pi``/``6``b ``=` `3``c ``=` `4``  ` `# returning the value of tangent of pi/6``print` `(``"The value of tangent of pi/6 is : "``, end``=``"")``print` `(math.tan(a))``  ` `# returning the value of hypotenuse of 3 and 4``print` `(``"The value of hypotenuse of 3 and 4 is : "``, end``=``"")``print` `(math.hypot(b,c))`

Output:

```The value of tangent of pi/6 is : 0.5773502691896257
The value of hypotenuse of 3 and 4 is : 5.0
```

5. degrees() :- This function is used to convert argument value from radians to degrees.

6. radians() :- This function is used to convert argument value from degrees to radians.

 `# Python code to demonstrate the working of``# degrees() and radians()``  ` `# importing "math" for mathematical operations``import` `math``  ` `a ``=` `math.pi``/``6``b ``=` `30`` ` `# returning the converted value from radians to degrees``print` `(``"The converted value from radians to degrees is : "``, end``=``"")``print` `(math.degrees(a))``  ` `# returning the converted value from degrees to radians``print` `(``"The converted value from degrees to radians is : "``, end``=``"")``print` `(math.radians(b))`

Output:

```The converted value from radians to degrees is : 29.999999999999996
The converted value from degrees to radians is : 0.5235987755982988
```

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