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Answers 2025-2026 FBISD - Precalculus A CR Trigonometric Double Angle IdentitiesQuestion 3

3

QuizMultiple Choice

Trigonometric Double Angle Identities

Question 3 of 10 • 2025-2026 FBISD - Precalculus A (CR)

Which expression is equal to ?

Question illustration

Answer

A

Negative sine (StartFraction pi Over 20 EndFraction)

Option A

B

Negative sine (StartFraction pi Over 5 EndFraction)

Option B

C

Sine StartFraction pi Over 5 EndFraction

Option C

D

Sine StartFraction pi Over 20 EndFraction

Option D

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Trigonometric Double Angle Identities - Question 3 | 2025-2026 FBISD - Precalculus A CR | Revolt