Manuals/calci/ACOS

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ACOS(n)


  • Where n is the COS of the angle and is from -1 to 1.
  • by default the result obtained will be in radians
  • Calci returns the arcCOS (inverse Cos) of a number. Output is the angle in radians.
  • To convert arcCOS to the degrees, multiply it by 180/PI.
  • The number can be a single value or any number of values.

For example, ASIN(0.5,(-0.2),1) gives the arcCOS or inverseCOS values for each element.

Description

Consider     n = -0.8    then     =ACOS(0.8)    gives    0.64350110879

  • This function is the inverse function of cos in trignometry.
  • Also it is called as cyclometric function.
  • ACOS is described as arcCOS and denoted by   (n).In ACOS(X) ,x value should be with in -1&1.Here x is in radians. To convert a degree value to radian, multiply 'x' with PI()/180 or use the radians function RADIANS(X)


Number ACOS
0.8 0.64350110879
-0.22 1.792610797291
0.2 1.567305661202

Examples

ACOS(x)

  • x   is the angle in radians.
TAN(Radian) Value
ACOS(0) 1.5707963267948966
ACOS(1) 0

See Also

References