5.3- Sum and Difference/Double Angle Identities

Sum and Difference Identities

For sin...

SCCS

(Sin Cos Cos Sin)

For cos...

CCSS

(Cos Cos Sin Sin)

Examples #1

There is only one doubly angle identity for sin and tan, however there are three for cos.

Sum and Difference Identities Video

Double Angle Identities Video.

Google Sites

Report abuse