Answer:
1. True
2. True
3. y = -1
4. False
Step-by-step explanation:
1 -------------------------
sin(-90) = -1
sin(270) = -1
True
2 --------------------------
y = cos(-90)
y = 0
True
3 -------------------------
y = tan(-45)
y = -1
-1
4 ---------------------------
tan(90) cannot be calculated
False
Answer:
52.01
Step-by-step explanation:
5.201 x 10, move the decimal to the right.
52.01
Answer:
C≈43.98cm
Step-by-step explanation:
C=2πr
d=2r
C=πd=π·14≈43.9823cm
Answer:
Greg used 1/10 more meters
Step-by-step explanation:
3/5=6/10
1/2=5/10