8
QuizMultiple Choice
Solving Trigonometric Equations — Cumulative exam
Question 8 • Precalculus
Given: < A < and , < B < What is the value of cos(A – B)?
Answer
A
Negative StartFraction 2 StartRoot 5 EndRoot Over 25 EndFraction
B
Negative StartFraction StartRoot 5 EndRoot Over 5 EndFraction
C
StartFraction 2 StartRoot 5 EndRoot Over 5 EndFraction
D
StartFraction 11 StartRoot 5 EndRoot Over 25 EndFraction