Questions LLC
Login
or
Sign Up
Ask a New Question
Angle Difference Identities
Questions (1)
given that sinx=3/4 and cosy=-5/13 and both x and y are in quadrant II, find the exact value of cos(x-y)
4 answers
asked by
Blaire
1,594 views
Parent Categories (1)
Trigonometric Identities
