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Find the Sine of an Angle in Excel

Excel's SIN Function

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Using the Excel SIN Function

Using the Excel SIN Function

© Ted French

Excel's list of functions includes a number of the most common trig functions. These include the SIN function which gives you the sine of an angle measured in radians.

Note: Since most angles are measured in degrees, you might need to convert your data to radians using the RADIANS function.

The syntax for the SIN function is:


= SIN ( Number )

Number - the angle in radians being calculated.

Example: Using Excel's SIN Function

  1. Enter the following data into cell D1: 0.593412

  2. Click on cell E1 in the spreadsheet - this is where the function will be located.

  3. Click on the Formulas tab of the ribbon menu.

  4. Choose Math & Trig from the ribbon to open
    the function drop down list.

  5. Click on SIN in the list to bring up the function's dialog box.

  6. In the dialog box, click on the Number line.

  7. Click on cell D1 in the spreadsheet.

  8. Click OK.

  9. The answer 0.559193 should appear in cell E1.

  10. When you click on cell E1 the complete function = SIN ( D1 ) appears in the formula bar above the worksheet.


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