# How to Use ACOS in Google Sheets in 2020?

ACOSThe ACOS function returns the inverse cosine of a value in radians.

Sample Usage

ACOS(0)

ACOS(A2)

ACOS(1)

Syntax

ACOS(value)

value – The value for which to calculate the inverse cosine. Must be between -1 and 1, inclusive.

Notes

Use the DEGREES function to convert the result of ACOS into degrees.

Cosine is periodic, therefore there are many solutions to the inverse. ACOS returns the solution between 0 and Pi.

TANH: The TANH function returns the hyperbolic tangent of any real number.

TAN: The TAN function returns the tangent of an angle provided in radians.

SINH: The SINH function returns the hyperbolic sine of any real number.

SIN: The SIN function returns the sine of an angle provided in radians.

PI: The PI function returns the value of pi to 9 decimal places.

DEGREES: The DEGREES function converts an angle value in radians to degrees.

COSH: The COSH function returns the hyperbolic cosine of any real number.

COS: The COS function returns the cosine of an angle provided in radians.

ATANH: The ATANH function returns the inverse hyperbolic tangent of a number.

ATAN2: The ATAN2 function returns the angle between the x-axis and a line segment from the origin (0,0) to the specified coordinate pair (`x`,`y`), in radians.

ATAN: The ATAN function returns the inverse tangent of a value in radians.

ASINH: The ASINH function returns the inverse hyperbolic sine of a number.

ASIN: The ASIN function returns the inverse sine of a value in radians.

ACOSH: The ACOSH function returns the inverse hyperbolic cosine of a number.

Examples

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