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def definition def or abbrev

recognitionProfile

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formal statement (Lean)

  23noncomputable def recognitionProfile (ϑ : ℝ) : ℝ :=

proof body

Definition body.

  24  1 + 2 * Real.cot ϑ + Real.sqrt ((1 + 2 * Real.cot ϑ) ^ 2 - 1)
  25
  26/-- The argument to arcosh is at least 1 for ϑ ∈ [0, π/2] -/

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