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

The approximate value is

Step-by-step explanation:

Let

----> the measure of angle in degrees

we have that

Using a calculator

Find the measure of angle  

1. minimum

2. 6400

3. eight

hope this !

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.