1 files changed, 27 insertions, 0 deletions
diff --git a/2915/CH1/EX1.6/Ex1_6.sce b/2915/CH1/EX1.6/Ex1_6.sce
new file mode 100755
index 000000000..81fa6b5f4
--- /dev/null
+++ b/2915/CH1/EX1.6/Ex1_6.sce
@@ -0,0 +1,27 @@
+clc,clear
+//example 1.6
+//To find values of all trigonometric functions for 45 degree
+
+//Consider a square of side 1 and divide it half diagonally
+//ABC is now an isosceles triangle 
+//angle A and B are now equal and = 45 degree
+
+AC=1;
+BC=1;
+AB=sqrt(AC^2+BC^2) //by pythagoras theorem
+c=AB //we denote AB by c as its opposite to C
+
+//conside angle BAC=45 degree
+opposite = BC;
+adjacent = AC;
+hypotenuse = c;
+sin_45 = opposite / hypotenuse;
+cos_45 = adjacent / hypotenuse;
+tan_45 = opposite / adjacent;
+csc_45 = hypotenuse/opposite;
+sec_45 = hypotenuse/adjacent;
+cot_45 = adjacent / opposite;
+
+printf('ANGLE = 45 degree')
+printf('\nsin(45)=  %.4f ; cos(45)= %.4f;  tan(45)= %.2f;\n',sin_45,cos_45,tan_45)
+printf('csc(45)=  %.4f ; sec(45)= %.4f;  cot(45)= %.2f;',csc_45,sec_45,cot_45)