sin(A-B)=sinAcosB-cosAsinB Proof (PDF) Oct 21, 2017 1:33:53 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Tiago on Oct 21, 2017 1:33:53 GMT sin(A-B)=sinAcosB-cosAsinB Proof (PDF)How to prove that sinA-BsinAcosB-cosAsinB g....pdf (195.2 KB)