ACOS function
Summary
Returns the arccosine of a number
Syntax
ACOS(number)
The ACOS function syntax has the following arguments:
• Number Required. The cosine of the angle you want and must be from -1 to 1.
• Number Required. The cosine of the angle you want and must be from -1 to 1.
Example
=ACOS(-0.5)
=ACOS(-0.5)*180/PI()
=DEGREES(ACOS(-0.5))
=ACOS(-0.5)*180/PI()
=DEGREES(ACOS(-0.5))