# Arccosine

Grammar — Acos(x)
Flags — Native | Function

Returns the arccosine of a number. Allowed range is -1 to 1. The returned value is given in degrees.

# Arguments

• fixed — Value

Returns — fixed

native fixed ACos(fixed x);

# Related

Category: Math / Trigonometry

• Sine — fixed — Sin
• Cosine — fixed — Cos
• Tangent — fixed — Tan
• Arcsine — fixed — ASin
• Arccosine — fixed — ACos
• Arctangent From Deltas — fixed — ATan2
• Arctangent From Value — fixed — ATan

# Examples

campaigns/void.sc2campaign — base.sc2maps/maps/campaign/void/sc2epilogue03.sc2map/MapScript.galaxy:2115

        lv_sideB = DistanceBetweenPoints(gv_voidCrystals[lv_index].lv_zenith, gv_voidCrystals[lv_index].lv_groundHeightStart);
        lv_sideC = DistanceBetweenPoints(gv_voidCrystals[lv_index].lv_center, gv_voidCrystals[lv_index].lv_zenith);
        lv_angleB = ACos((((lv_sideA*lv_sideA)+(lv_sideC*lv_sideC)-(lv_sideB*lv_sideB))/(2*lv_sideA*lv_sideC)));
        gv_voidCrystals[lv_index].lv_minorRadius = (((lv_sideA * lv_sideC) * Sin(lv_angleB)) / SquareRoot((Pow(lv_sideC, 2.0) - Pow((lv_sideA * Cos(lv_angleB)), 2.0))));
        if ((gv_voidCrystals[lv_index].lv_rotatesCounterClockwise == true)) {

campaigns/void.sc2campaign/base.sc2maps/maps/campaign/void/sc2epilogue03.sc2map — MapScript.galaxy:2115

        lv_sideB = DistanceBetweenPoints(gv_voidCrystals[lv_index].lv_zenith, gv_voidCrystals[lv_index].lv_groundHeightStart);
        lv_sideC = DistanceBetweenPoints(gv_voidCrystals[lv_index].lv_center, gv_voidCrystals[lv_index].lv_zenith);
        lv_angleB = ACos((((lv_sideA*lv_sideA)+(lv_sideC*lv_sideC)-(lv_sideB*lv_sideB))/(2*lv_sideA*lv_sideC)));
        gv_voidCrystals[lv_index].lv_minorRadius = (((lv_sideA * lv_sideC) * Sin(lv_angleB)) / SquareRoot((Pow(lv_sideC, 2.0) - Pow((lv_sideA * Cos(lv_angleB)), 2.0))));
        if ((gv_voidCrystals[lv_index].lv_rotatesCounterClockwise == true)) {