This poster is 4 pages long. It can be added to a password-protected website or printed and hung up in a classroom. Page 1 - Title PagePage 2 - Pythagorean Identities, Quotient Identities, Reciprocal Identities, Sum/Difference IdentitiesPage 3 - Even/Odd Identities, Half-Angle Identities, Double Angle IdentitiesPage 4 - Co-Function Identities, Product to Sum Identities, Sum to Product Identities