acos

Calculates the arc cosine of x, returning a value ranging from 0 to π.

Special Values
x	acos(x)	invalid?
>1.0	NaN	yes
<-1.0	NaN	yes
NaN	NaN	yes

real acos(real x)
real
acos
(
real x
)
creal acos(creal z)

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ocean math Math functions

static variables