15
RCMultiple Choice
Solving Trigonometric Equations — Cumulative exam
Question 15 • Precalculus
Which expression is equivalent to ?
Answer
A
Cosine (negative StartFraction pi Over 3 EndFraction)
B
Sine (negative StartFraction pi Over 3 EndFraction)
C
Cosine (StartFraction pi Over 2 EndFraction)
D
Sine (StartFraction pi Over 2 EndFraction)