Question

question 7
5 pts
find the angle measure to the nearest degree.
cos a = 0.7431
a=

question 8
5 pts

Explanation:

Step1: Use inverse - cosine function

$A=\cos^{-1}(0.7431)$

Step2: Calculate the value

Using a calculator, $A\approx42.09^{\circ}$

Step3: Round to the nearest degree

$A\approx43^{\circ}$

Answer:

$43^{\circ}$