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clc;
//Getting resultant of two vectors
P=40; // N Magnitude of vector P
Q=60 // N Magnitude of vector Q
// imagine triangle for triangle law of vectors
B=180-25;// degree , Angle between vector P and vector Q
//R- Resultant vector
B=B*%pi/180;// conversion into radian
//R^2=P^2+Q^2-2*P*Q*cos(B); Cosine Law
R=sqrt(P^2+Q^2-2*P*Q*cos(B));// N
printf("Maginitude of Resultant is R= %.2f N\n",R);
//A- Angle between Resultant and P vector, Unknown
// sin(A)/Q == sin(B)/R sine law
A=asin(Q*sin(B)/R);// radian
A=A*180/%pi;//// Conversion into degree
alpha=A+20;// degree
printf("Angle of Resultant vector R with x axis is %.2f Degrees\n",alpha);
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