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//=====================================================================================
//Chapter 16 example 8
clc;clear all;
//variable declaration
//as shown in patern is straight line
dvo = 0;
Dv = 6;
//pattern is ellipse
dvo1 = 3;
Dv1 =6;
//pattern is circle
dvo2 = 1;
Dv2 = 1;
//pattern is ellipse
dvo3 = 3;
Dv3 =5;
//calculations
y4 =dvo1/(Dv1);
phi1 = asin(dvo/(Dv)); //phase angle in degrees
phi2 = asin(dvo1/(Dv1)); //phase angle in degrees
phi3 = asin(dvo2/(Dv2)); //phase angle in degrees
phi4 = asin(dvo3/(Dv3)); //phase angle in degrees
phi22 = 180-((phi2*180)/(%pi));
phi44 = 180-((phi4*180)/(%pi));
//result
mprintf("phase angle = %3.2f °",((phi1*180)/%pi));
mprintf("\nphase angle = %3.2f ° or %3.2f °",((phi2*180)/%pi),(phi22));
mprintf("\nbut from figure ellipse is inn 2nd and fourt quarterso the valid value of phase angle is %3.2f °",phi2);
mprintf("\nphase angle = %3.2f °",((phi3*180)/(%pi)));
mprintf("\nphase angle = %3.2f° or %3.2f °",(((phi4*180)/%pi)),(phi44));
mprintf("\nbut from figure ellipse is inn 2nd and fourt quarterso the valid value of phase angle is %3.2f °",phi44);
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