Shoelace Thm.
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Homework Statement
or y fixed in ℝ, show f(x)=sin(x+y) is analytic in ℝ.
Homework Equations
The Attempt at a Solution
Clearly f(0 + x) = \sin(x+y) = \sum_{n=0}^{\infty} a_n y^n by the analyticity of \sin x. Now how should I proceed?
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