1 files changed, 11 insertions, 0 deletions
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
new file mode 100644
index 00000000..986b52f3
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/sec/dseca.c
@@ -0,0 +1,11 @@
+#include "sec.h"
+#include <math.h>
+
+void dseca(double* in,int size,double* out)
+{
+   	int i=0;
+   	for(i=0;i<size;i++)
+	{
+		out[i]=1/cos(in[i]);
+   	}
+}