Given the function $y=cot\left(x\right)$, which of the following statements is true about its inverse function $y=arccot\left(x\right)$?

Solve each equation for x, where x is restricted to the given interval.

y = 6 cos x/4 , for x in [0, 4π]

Solve each equation for x, where x is restricted to the given interval.

y = ― 2 cos 5x , for x in [0, π/5]

Solve each equation for x, where x is restricted to the given interval.

y = sin x ―2 , for x in [―π/2. π/2]

Solve each equation for x, where x is restricted to the given interval.

y = ―4 + 2 sin x , for x in [―π/2. π/2]