Questions LLC
Login
or
Sign Up
Ask a New Question
Cosine of a difference of angles
Questions (1)
Assume that A and B are in standard position and that sin A = 1/2, cos A >0, tan B = 3/4, and sinB<0
Cos (A-B)
3 answers
asked by
Anonymous
898 views
Parent Categories (1)
Trigonometric Identities
