MathDB
2017 Guts #22

Source:

November 25, 2022
2017Guts Round

Problem Statement

Let x=2sin⁡8∘+2sin⁡16∘+⋯+2sin⁡176∘x=2\sin8^\circ+2\sin16^\circ+\dots+2\sin176^\circ. What is arctan⁡(x)\arctan(x)?
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