Recall the angle addition/subtraction and double angle identities. Give all common variations.
Whilst you are learning the identities, write the full equation for the identity.
Example:
Question:
Reciprocal identity:
Answer:
Angle addition identity for sine
Double angle identity for tangent
Angle addition identity for cosine
Angle subtraction identity for tangent
Double angle identity for sine
Angle addition identity for tangent
Angle subtraction identity for cosine
Angle subtraction identity for sine
Double angle identity for cosine