# Chapter 7 - Trigonometry and Periodic Functions - 7.1 The Inverse Sine, Cosine, and Tangent Functions - 7.1 Assess Your Understanding - Page 451: 15

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#### Work Step by Step

We know that if $\sin y=x$, then $\sin^{-1}(x)=y.$ We know that $\sin(0)=0$, hence $\sin^{-1}(0)=0.$

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