cos header

stan-dev · Jan 17, 2025 · b8f590d · b8f590d
1 parent b5074c8
commit b8f590d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/stan/math/fwd/fun/sin.hpp b/stan/math/fwd/fun/sin.hpp
@@ -6,6 +6,7 @@
 #include <stan/math/fwd/fun/sinh.hpp>
 #include <stan/math/fwd/fun/cos.hpp>
 #include <stan/math/prim/fun/sin.hpp>
+#include <stan/math/prim/fun/cos.hpp>
 #include <cmath>
 #include <complex>