The the parabola opens upward it has a minimum and if it opens downward then it has a maximum :)
Answer:
Step-by-step explanation:
Several trig identities are involved in the proof of this. This is the order in which they are used.
- cos(2x) = cos²(x) -sin²(x)
- cos²(x) +sin²(x) = 1
- cos(x) = 1/sec(x)
<h3>Proof</h3>
Starting with the left side, we can transform it into the right side.

Answer:
16
Step-by-step explanation:
2^-2=0.25
2^6=64
times
=16
Step-by-step explanation:



Now subtract.....

hence the answer is 3 ....
hope it helped !!!!
Answer:
D is the answer. There are 5 boxes, that each has 3 filled in.