Final answer:
To evaluate tan⁻¹(-0.25713) using a calculator, follow these steps: Enter -0.25713 into the calculator and press the inverse tangent button. The approximate value is -0.25494 radians or -14.58378 degrees.
Step-by-step explanation:
To evaluate the expression tan⁻¹(-0.25713) using a calculator, you can follow these steps:
- Make sure your calculator is set to radians mode.
- Enter -0.25713 into the calculator.
- Press the inverse tangent button (often labeled as tan⁻¹ or arctan).
- Read the result on the calculator's display.
The approximate value of tan⁻¹(-0.25713) is -0.25494 radians or -14.58378 degrees.