@stdlib/math-base-special-covercos (npm): Compute the coversed cosine.
Keywords: stdlib|stdmath|mathematics|math|covercos|covercosin|covercosine|versed cosine|coversed|cosinus versus|covercosinus|cvc|versed|cosine|cos|sine|sin|trig|trigonometry|radians|angle|cosinus-versus|javascript|node|node-js|nodejs|versed-cosine