<h3>
Answer:</h3>
- left picture (bottom expression): -cot(x)
- right picture (top expression): tan(x)
<h3>
Step-by-step explanation:</h3>
A graphing calculator can show you a graph of each expression, which you can compare to the offered choices.
_____
You can make use of the relations ...
... sin(a)+sin(b) = 2sin((a+b)/2)cos((a-b)/2)
... cos(a)+cos(b) = 2cos((a+b)/2)cos((a-b)/2)
... cos(a)-cos(b) = -2sin((a+b)/2)sin((a-b)/2)
Then you have ...

and ...

Answer:
p(4)=3
Step-by-step explanation:
p(4)=3(4)-9=12-9=3
Answer to the question is..
32,34,36
largest is 36
Answer:
1/8
Step-by-step explanation:
10 yards because a square has 4 sides and all four sides are equal and so 40 divided by 4 equals 10