0, 15, 30, 45, 60, 75 and 90 degrees derivations (PDF) Oct 15, 2017 16:04:06 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Tiago on Oct 15, 2017 16:04:06 GMT sin(0) to sin(90), cos(0) to cos(90) and tan(0) to tan(90) derivations from absolute scratch. 15 degrees steps. (PDF)sin0 to sin90 cos0 to cos90 and tan0 to tan....pdf (224.06 KB)