Since the measure of angle
is 
The measure of its reference angle = 
=
Now we have to compute the value of 


The value of (
) lies in the fourth quadrant. In fourth quadrant, the value of tan is always negative.
So, 

= -1.
Explain: it’s equals to 20
Answer:
yes
Step-by-step explanation:
15.3-7.9=7.4
Answer:
Step-by-step explanation:
47 divided by 8
= 5.875
hope this helps
Answer:

Step-by-step explanation:
We know that
, because
.
Now, angle 15° or 195° is not an important angle which can be solve by a given table like 30°, 45° or 60°. This means we have to use the calculator to find the more exact value, which is
