An Analytic Expression for the Inverse Involute

<div>Absolute error in the inverse involute function (approximations (<a href="https://static.hindawi.com/articles/mpe/volume-2019/3586012/figures/#EEq5">5</a>) and (<a href="https://static.hindawi.com/articles/mpe/volume-2019/3586012/figures/#EEq16">16</a>)).</div>

Mathematical Problems in Engineering

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Figure 3

Figure 3: An Analytic Expression for the Inverse Involute 