Use a calculator to find $\arctan (0.490)$ $\arctan (0.490) \approx$ (Round to the nearest thousandth as needed. Type your answer in radians.)

Step 1 ：The question is asking for the arctan of 0.490. The arctan function is the inverse of the tangent function. It returns the angle whose tangent is 0.490.

Step 2 ：Calculate the arctan of 0.490 to get approximately 0.4556156532112245 radians.

Step 3 ：Round this value to the nearest thousandth to get 0.456 radians.

Step 4 ：Final Answer: \(\arctan (0.490) \approx \boxed{0.456}\) in radians.