What is the inverse of f(x)=arccos((sqrt(2))/2) ?

The inverse of f(x)=arccos((sqrt(2))/2) is None

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inverse of f(x)=arccos((sqrt(2))/2)

inverse

f (x) = arccos (\frac{2}{2})

None

Solution steps

arccos (a) = b \Rightarrow a = cos (b)

\frac{2}{2} = cos (y)

Solve for

x, \frac{2}{2} = cos (y)

Since the function is a constant function it has no inverse function

None

What is the inverse of f(x)=arccos((sqrt(2))/2) ?
The inverse of f(x)=arccos((sqrt(2))/2) is None