What is SIN function in Excel?
The SIN function is one of the math functions of Excel.
It Returns the sine of an angle.
We can find this function in Math & trig category of insert function Tab.
How to use SIN function in excel
- Click on an empty cell (like F5 )

2. Click on fx icon (or press shift+F3)

3. In the insert function tab you will see all functions

4. Select math and trig category
5. Select SIN function
6. Then select ok

7. In the function arguments Tab you will see SIN function
8. Number is the angle in radians for which you want the sine. Degrees * P10/180 = radians
9. You will see results in the formula result section

Examples of SIN function in Excel
Example 1:
How to use SIN function in excel
You can see examples of SIN function below:

sin(A2) ----->>>>answer is 0
sin(A3) ----->>>>answer is 0.70
sin(A4) ----->>>>answer is -1
sin(A5) ----->>>>answer is -0.86
sin(A6) ----->>>>answer is 0
What is the purpose of SIN function?
It Returns the sine of an angle.
What is the Return value of SIN function?
It returns a number.
How many arguments does SIN function have?
This function has just 1 Argument.
The argument of SIN function is number.
Number is the angle in radians for which you want the sine. Degrees * P10/180 = radians.
The argument of SIN function is required and not optional.
SIN(number) = number
Which version of excel supports SIN function?
This function is available for all excel versions (2003-2019)