4
QuizMultiple Choice
Inverse Trigonometric Functions
Question 4 • IC Pre-Cal - Deering
What is the domain of y = cos-1x?
Answer
A
[–1, 1]B
[0, π]C
Left-bracket negative StartFraction pi Over 2 EndFraction, StartFraction pi Over 2 EndFraction right-bracket
D
(–∞, ∞)