Description of formula:

Calculates the arccosine of a specified number. Arccosine is the angle, whose cosine is equal to value passed as a parameter, e.g.

acos(-1) = π, because cos(π) = -1

The returned value is given in radians, in range from 0 to π.

Calculates the arccosine of a specified number. Arccosine is the angle, whose cosine is equal to value passed as a parameter, e.g.

acos(-1) = π, because cos(π) = -1

The returned value is given in radians, in range from 0 to π.

Syntax:

acos(number)

acos(number)

Parameters:

number

(type: Number) The cosine of the angle. Must be between -1 and 1.

Returned type:

Number

Examples:

=acos(-1)

=acos(Section1.A1)

=acos(A)

=acos(B3)

=acos(-1)

=acos(Section1.A1)

=acos(A)

=acos(B3)

Remarks:

If you want to get value in degrees, multiply the result by 180/pi().

If you want to get value in degrees, multiply the result by 180/pi().

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