Explain why the function is defined only for in the interval .

MATHEMATICS · Subjective · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Explain why the function f(x)=arcsin⁡(2x)f(x)=\arcsin(2x) is defined only for xx in the interval [−12,12]\left[-\tfrac12,\tfrac12\right].

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