3
QuizMultiple Choice

Performance Task: Modeling with Sinusoidal Functions — Unit test

Question 3 • S1S-OC: Pre-Calculus A (E3700 - AG)

Which expression is equivalent to 30°?

Answer
A
Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
Option A
B
Inverse of sine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
Option B
C
Sine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
Option C
D
Cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
Option D
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Which expression is equivalent to 30°?