Answer:
B) 
Step-by-step explanation:
Technically, since the function starts at its maximum, you could say the function is 
, but the answer choices all use sine instead. Therefore, we will have to use the cofunction identity 
and we can see that the correct answer is B.
Answer:
......The answer is C..............
For
ax^2+bx+c=
and a=1
b/2 squared=c makes a perfect square
b=16
16/2=8
8^2=64
the value of c should be 64
factored form
(x+8)^2
Answer:
x=3
Step-by-step explanation:
BC=6
cos(60)=×÷6
×=3
