initial commit / add all books

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+
+//Variable Declaration
+
+Pss=-90   //Location of geostationary satellite(degrees)
+PE=-100   //Longitude of the earth station antenna(degrees)
+LE=35     //Latitude of the earth station antenna(degrees)
+
+//Calculation
+
+B=PE-Pss   //Angle between planes containing a and c(degrees)
+b=acos(cos(B)*cos(LE)) //Angle of plane containing b(radians)
+A=asin(sin(abs(B*3.142/180))/sin(b)) //Angle between planes containing b and c (radians)
+
+A=A*180/3.142  //Converting A into degrees
+//LE>0 and B<0 by observation
+Az= 180-A     //Azimuth angle(degrees)
+
+//Result
+
+printf("The azimuth angle for the given earth station antenna is %.2f degrees",Az)