ACOS

Returns the arccosine, or inverse cosine, of a number

Syntax

ACOS(number)

Argument	Description	Required
`number`	The cosine of the angle you want and must be from -1 to 1	Required

=ACOS(0)

Result ⇒ 1.5708

=ACOS(-1)

Result ⇒ 3.1416

=ACOS(A1)

Result ⇒ 2.0944

	A
1	-0.5

Other Math functions:

ABS - Returns the absolute value of a number
ASIN - Returns the arcsine, or inverse sine, of a number
ATAN - Returns the arctangent, or inverse tangent, of a number
CEILING - Rounds a number up to the nearest integer or to the nearest multiple of significance
COS - Returns the cosine of the given angle
EXP - Returns e raised to the power of a given number
FACT - Returns the factorial of a number
FLOOR - Rounds a number down to the nearest multiple of significance
INT - Rounds a number down to the nearest integer
LN - Returns the natural logarithm of a number
LOG - Returns the logarithm of a number to a specified base
LOG10 - Returns the base-10 logarithm of a number
MOD - Returns the remainder after a number is divided by a divisor
PI - Returns the value of pi (π)
POWER - Returns the result of a number raised to a power
RAND - Returns a random number greater than or equal to 0 and less than 1.
ROUND - Returns the number after rounding it to a certain number of decimal places.
ROUNDDOWN - Returns a number rounded to a certain number of decimal places. ROUNDDOWN rounds all numbers down.
ROUNDUP - Returns a number rounded up to a certain number of decimal places. ROUNDUP rounds all numbers up.
SIGN - Determines the sign of a number
SIN - Returns the sine of the given angle
SQRT - Returns the square root of a number
SUM - Returns the sum of all numbers in the provided arguments
TAN - Returns the tangent of the given angle
TRUNC - Truncates a number to an integer by removing the fractional part