File src/example05.red artifact f430f73384 part of check-in d34e1779bb
(a+b)^2; (a+b)^3; (a+b)^4; (a+b)^5; (a+b)^6; c:=(a+b)^6; d:=(a+b)^3; c/d; a:=sin (x); b:=cos (x); c:=a^2+b^2; d:=a/b; f:=tan (x)-d; % Trigo Rules; trig1:={sin(~x)^2=>(1-cos(x)^2)}; let trig1; trig2:={tan (~x)=>(sin (x)/cos (x))}; let trig2; % now with rules; c; d; f; end;