If y=secx, dy/dx=secxtanx (Implicit Differentiation Proof) Oct 3, 2017 20:09:36 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Tiago on Oct 3, 2017 20:09:36 GMT If y=secx, dy/dx=secxtanx (Implicit Differentiation Proof)