I think you have to index into the answer since the ans variable is a struct, try the following
syms a b;
eq1=2==cos(a)+(3/5)*sqrt(5)*cos(b);
eq2=0==sin(a)+(3/5)*sqrt(5)*sin(b);
eqns=[eq1, eq2];
x = solve(eqns,[a b]);
disp(x.a)
disp(x.b) % indexing into x
I hope this solves your query
Thank you
