Angle difference between two bearings: Difference between revisions

m
Line 911:
=LAMBDA(ab,
LET(
asinab, INDEXSIN(ab, 1),
bcosab, INDEXCOS(ab, 2),
 
ax, SIN(a),
ayax, COSINDEX(asinab, 1),
bx, SININDEX(bsinab, 2),
byay, COSINDEX(bcosab, 1),
axby, SININDEX(acosab, 2),
 
rem, "Sign * dot product",
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