Inferential Statisticshard
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Given a random sample X1,,XnX_1, \dots, X_n from a distribution with density f(xθ)f(x|\theta), suppose an estimator θ^n\hat{\theta}_n satisfies n(θ^nθ)dN(0,V(θ))\sqrt{n}(\hat{\theta}_n - \theta) \xrightarrow{d} N(0, V(\theta)). According to the Delta Method, what is the asymptotic distribution of n(sin(θ^n)sin(θ))\sqrt{n}(\sin(\hat{\theta}_n) - \sin(\theta))?