SIN Formula

Returns the sine of an angle in radians.

Syntax

Formula structure

Source: Quadratic docs
=SIN(radians)
radians
Required: Yes

Required argument used by the SIN formula.

Examples for the sin formula

Copy these examples into a spreadsheet and adjust the ranges for your own data.

SIN syntax pattern

=SIN(radians)

Use this SIN pattern as the starting point for your spreadsheet formula.

SIN in a worksheet

=SIN(radians)

Returns the sine of an angle in radians.

When to use SIN

Use SIN when you need to return the sine of an angle in radians.

  • Convert and calculate angles.
  • Model geometry, waves, and other trigonometric relationships.

How SIN works in Quadratic

In Quadratic, SIN follows the syntax SIN(radians). The function works inside Quadratic formulas and can be combined with spreadsheet ranges, tables, and other formulas.

Common SIN mistakes

Most SIN issues come from mismatched argument types, ranges that do not cover the intended data, or optional parameters being omitted when the default behavior is not what you expected.

  • Check each required parameter before copying the formula across a sheet.
  • Confirm that ranges line up with the rows or columns you intend to analyze.
  • Use Quadratic AI to explain or debug the formula when the result looks wrong.

Related formulas

SIN formula FAQ

What does the sin formula do?

SIN returns the sine of an angle in radians.

What is the syntax for SIN?

The syntax is SIN(radians). Required and optional parameters are listed at the top of this guide.

Can Quadratic AI help with SIN?

Yes. Quadratic AI can write a SIN formula, explain existing formula logic, or help debug broken references and unexpected results.

Quadratic AI

Struggling with formulas? Use Quadratic AI.

Spreadsheet formulas are powerful, but they get painful fast. A SIN formula can start simple, then turn into logic that is hard to understand, easy to break, and difficult to share with the rest of your team.

Quadratic AI helps you write formulas, explain formula logic, debug broken references, and move beyond formulas when advanced analysis needs Python, SQL, charts, or connected data.

Try Quadratic AI

Why formulas slow teams down

  • Long formulas become hard to read, understand, and trust.
  • Formula logic breaks when rows, columns, or assumptions change.
  • Manual updates make dashboards and reports fragile over time.
  • Complex formulas are difficult to explain, review, and share with teammates.
  • Advanced analysis quickly outgrows formula-only workflows.