trigValuesToHalfAngleTrigValues MethodStatic
Return cosine, sine, and radians for the half angle of a "cosine,sine" pair.
- This function assumes the input arguments are related to an angle between -PI and PI
- This function returns an angle between -PI and PI
trigValuesToHalfAngleTrigValues(rCos2A: number, rSin2A: number): TrigValues
| Parameter | Type | Description |
|---|---|---|
| rCos2A | number | cosine value (scaled by radius) for initial angle. |
| rSin2A | number | sine value (scaled by radius) for final angle. |
Returns - TrigValues
Defined in
- geometry3d/Angle.ts Line 390
Last Updated: 20 June, 2023