Integral of sin(x)/(1 - cos^2(x)) using the Inverse Hyperbolic Tangent and Cotangent

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A 4-minute video from The Math Sorcerer: “Integral of sin(x)/(1 - cos^2(x)) using the Inverse Hyperbolic Tangent and Cotangent”.

Video by The Math Sorcerer, played through YouTube's embedded player.