Answer:
cos60 - cos 72
Step-by-step explanation:
you can have an angle measure between 60 and 72 hence cos 60 - cos 72
hope this helps
Answer:
q = 20
Step-by-step explanation:
1/5q = 4
q = 20
.25 is the answer because the next number should be half of the previous number and the opposite sign of the previous number.