Question

Use a calculator to find the approximate value of cos^-1(0.55).

Answer 1

56.63

Explanation:

2nd>cos to get cos^-1, plug in 0.55 and get 56.63298703

Answer 2

1 of these...

a. 33.37°

b. 66.73°

c. 28.81°

d. 56.63°

Explanation: