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-rw-r--r--2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
new file mode 100644
index 00000000..3cf032a1
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/Trigonometry/cotd/dcotda.c
@@ -0,0 +1,16 @@
+#include "cotd.h"
+#include <math.h>
+#define PI 3.14159265
+
+void dcotda(double* in,int size,double* out)
+{
+ double val;
+ int i=0;
+ val = PI / 180.0;
+ for(i=0;i<size;i++)
+ {
+ out[i]=1/tan(in[i]*val);
+ /*printf("The cotangent of %lf degrees is %lf \n", in[i], out[i]);*/
+ }
+}
+