=== row 6 ===
Scorecard (verbatim): sin²θ 13 sin⁴(π/8) = (3−2√2)/8 theory 0.0214466 experiment 0.02248 +0.00055 −0.00059 deviation −4.60% · d = −1.75 Structural —
trigonometric_value = 0.021446609
radical_value = 0.021446609
theory_at_cell_precision = 0.0214466
full_formula.theory = 0.021446609
full_formula.reference = 0.022480000
full_formula.signed_percent = -4.596933244%; rounded = -4.60%
full_formula.uncertainty_used = 0.00059 (lower)
full_formula.d = -1.751509480; rounded = -1.75
printed_cell.theory = 0.021446600
printed_cell.reference = 0.022480000
printed_cell.signed_percent = -4.596975089%; rounded = -4.60%
printed_cell.uncertainty_used = 0.00059 (lower)
printed_cell.d = -1.751525424; rounded = -1.75