Answer:
P
Step-by-step explanation:
p is the ans
They are both periodic functions that look like waves. They both have a period of 2pi and oscillate between 1 and -1.
The answer would be D. It would be $42 in the end if you picked D.
The answer would be 132 because the formula for find circumference while using radius is 2(3.14)r .
C= 2(3.13)21
C= 6.28 • 21 = 131.88
131.88 rounded is 132