2
QuizMultiple Choice
Unit Test — Unit test
Question 2 • 2025-2026 FBISD - Precalculus A (CR)
Which expression is equivalent to 30°?
Answer
A
Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
B
Inverse of sine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
C
Sine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
D
Cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)