lean_workbook_plus_14089
OpenProve that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_14089 (α β : ℝ) : 2 * sin α ^ 2 + 2 * sin β ^ 2 + 2 ≥ 2 * sin α + 2 * sin β + 2 * sin α * sin β := by sorry
Source
Prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_14089 (α β : ℝ) : 2 * sin α ^ 2 + 2 * sin β ^ 2 + 2 ≥ 2 * sin α + 2 * sin β + 2 * sin α * sin β := by sorry