9
QuizMultiple Choice
Trigonometric Double Angle Identities
Question 9 • 2025-2026 FBISD - Precalculus A (CR)
Simplify
Answer
A
StartFraction 2 sine (x) cosine (x) Over cosine (x) minus sine (x) EndFraction
B
StartFraction 2 sine (x) cosine (x) Over sine (x) minus cosine (x) EndFraction
C
cos(x) + sin(x)D
cos(x) – sin(x)