Question

using a scientific calculator or graphing calculator to find the inverse tangent of the ratio. round to the nearest degree. 9.5 a. 44° b. 18° c. 72° d. 84° please select the best answer from the choices provided

Explanation:

Step1: Use inverse - tangent function

We need to find $\theta=\tan^{- 1}(9.5)$.

Step2: Calculate with calculator

Using a scientific or graphing calculator, enter $\tan^{-1}(9.5)$. The result is approximately $84.02^{\circ}$.

Step3: Round to nearest degree

Rounding $84.02^{\circ}$ to the nearest degree gives $84^{\circ}$.

Answer:

D. $84^{\circ}$