# Excel SIN Function

Summary

The Excel SIN function returns the sine of angle given in radians. To supply an angle to SIN in degrees, multiply the angle by PI()/180 or use the RADIANS function to convert to radians.

Purpose

Get the sine of an angle

Return value

Sine value

Syntax

=SIN (number)

Arguments

**number**- The angle in radians for which you want the sine.

Usage notes

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