4 ms·In ac.scm, add : (xdef 'cos 'cos) (xdef 'sin 'sin) (xdef 'exp 'exp) And you're done.by sacado 18y agoIn ac.scm, add : (xdef 'cos 'cos) (xdef 'sin 'sin) (xdef 'exp 'exp) And you're done.rkts 18y agoI think that should be (xdef 'cos cos) etc.sacado 18y agoyep, you're right. sorry.