Answer:
cos(theta+2π) and -cos(-theta)
Step-by-step explanation:
theta plus 2π have the same cosine output as theta on a graph.
the negative cosine of negative theta is equal to the positive cosine of positive theta.
Answer:
a=1.5b
Step-by-step explanation:
Add 2b on both sides to get 7a=5a+3b
Subtract 5a
2a=3b
divide by 2
a=1.5b
1. 64
2.32
3. 16
4. 8
5. 4
6. 2
Answer:
x=1.55
Step-by-step explanation:
42x-1=64
+1 +1
42x= 65
/42 /42
x= 1.55 (rounded)
Answer:
8
Step-by-step explanation:
v = -3, w = -4,
vw + w,
Subsitute in (-3) for (v), and (-4) for (w).
(-3)(-4) + (-4)
Simplfiy,
12 + (-4)
12 - 4
8