diff --git a/src/c/funktionen.c b/src/c/funktionen.c
index 682bf23..49c9fa5 100644
--- a/src/c/funktionen.c
+++ b/src/c/funktionen.c
@@ -88,4 +88,9 @@ float sine(float x) {
 // Function to calculate the cosine of an angle in radians
 float cosine(float x) {
 	return cos(x);
+}
+
+// Function to calculate the tangent of an angle in radians
+float tangent(float x) {
+	return tan(x);
 }
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