For problems 1-7, identify the special name for each angle pair.
1 and 4:
13 and 10:
5 and 13:
12 and 16:
11 and 14:
2 and 7:
7 and 8:

Acircle has a circumference of 28.36 units what is the diameter of the circle

Use the squared identities to simplify sin^2x cos^2x

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?