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Range of arcsin(x) (principal value):

A[-π/2, π/2]
B[0, π]
C[0, 2π]
DAll reals
Answer & Solution
Correct answer: A. [-π/2, π/2]
sin⁻¹(x) defined for x ∈ [-1, 1]. **Principal range:** [-π/2, π/2]. Restriction makes inverse well-defined.
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