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SIN function in Excel

Returns the sine of the given angle

=SIN(number)

SIN syntax and parameters

One argument, one required.

  • numbernumberRequired

    The angle in radians for which you want the sine.

SIN examples

Formulas you'll actually reuse.

  1. Sine of 30° — convert degrees first, trig functions take radians:

    =SIN(RADIANS(30))

    Result0.5

  2. Sine of PI()/2 radians:

    =SIN(PI()/2)

    Result1

SIN in Google Sheets

Same name — your formula ports as-is.

Try SIN in the playground

Edit the example — nothing to install.

Preloaded with the SIN formula from Example 1 — change anything and watch it respond.

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Related functions

More ways Excel gets this done.