diff --git a/crates/fj-math/src/scalar.rs b/crates/fj-math/src/scalar.rs
index 90d7a1a9d..f582dbfb7 100644
--- a/crates/fj-math/src/scalar.rs
+++ b/crates/fj-math/src/scalar.rs
@@ -128,6 +128,11 @@ impl Scalar {
         self.0.round().into()
     }
 
+    /// Compute the sine
+    pub fn sin(self) -> Self {
+        self.0.sin().into()
+    }
+
     /// Compute the cosine
     pub fn cos(self) -> Self {
         self.0.cos().into()