AnswersS1S-OC Pre-Calculus B E3710 - AGPerformance Task: Trigonometric Identities — Unit testQuestion 9
9
QuizMultiple Choice
Performance Task: Trigonometric Identities — Unit test
Question 9 • S1S-OC: Pre-Calculus B (E3710 - AG)
Suppose and cos(x) < 0. What the value of cos(2x)?
Answer
A
Negative StartFraction 16 Over 25 EndFraction
B
Negative StartFraction 7 Over 25 EndFraction
C
StartFraction 7 Over 25 EndFraction
D
StartFraction 16 Over 25 EndFraction