12.6.2 Sum and Difference Identities Resources: Notes: 6.2a Sum and Difference Identities Notes: 6.2b Double Angle Identities Assignment p306 #1, 12, 6-10, 17, 19 Example from notes p306 #3-5, 11, 12, 13, 15, 16 Things you should know after today Attachments: FileDescriptionFile size 12.6.2a.notes.pdf 398 kB 12.6.2b.notes.pdf 442 kB