Trigonometry Examples
The exact value of arccos(0) is π2 .
What does arccos 0 mean?
The arccosine of 0 is equal to the inverse cosine function of 0, which is equal to π/2 radians or 90 degrees: arccos 0 = cos-1 0 = π/2 rad = 90º
How do you evaluate arccos 0?
Remember that cos(π2)=0 , so arccos(0)=(π2) since it is the inverse function.
