API Reference > geometry-core > CartesianGeometry > Angle > dotProductsToHalfAngleTrigValues dotProductsToHalfAngleTrigValues MethodStatic Return the half angle cosine, sine, and radians for given dot products between vectors. dotProductsToHalfAngleTrigValues(dotUU: number, dotVV: number, dotUV: number, favorZero: boolean = true): TrigValues Parameter Type Description dotUU number dot product of vectorU with itself dotVV number dot product of vectorV with itself dotUV number dot product of vectorU with vectorV favorZero boolean Returns - TrigValues Defined in geometry3d/Angle.ts Line 351 Last Updated: 11 June, 2024