move exercises, lecture examples, labs into subfolders

Exercises/C14/ex2.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <math.h>
+
+
+float degrees_to_radians(float degrees) {
+	return M_PI * degrees / 180.0;
+}
+
+void process(float degrees, float* radians, float* sin_val, float* cos_val, float* tan_val) {
+	*radians = degrees_to_radians(degrees);
+	*sin_val = sin(*radians);
+	*cos_val = cos(*radians);
+	*tan_val = tan(*radians);
+}
+
+
+int main() {
+	float degrees, radians, sin_val, cos_val, tan_val;
+
+	printf("Degrees: ");
+	scanf("%f", &degrees);
+
+	process(degrees, &radians, &sin_val, &cos_val, &tan_val);
+
+	printf("Radians: %f\n", radians);
+	printf("Sine: %f\n", sin_val);
+	printf("Cosine: %f\n", cos_val);
+	printf("Tangent: %f\n", tan_val);
+}