<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:
19. reflection (-1, -3)
20. translation (5, -3)
21. translation (0, -5)
22. reflection (1, 3)
23. translation (5, 6)
24. reflection (1, 3)
Step-by-step explanation:
Answer:
Step-by-step explanation:
TRIANGLE
Answer:
1, yes add one, 2, no, 3, yes, you add 10. 4, no, 5, yes, you add 2.
Step-by-step explanation:
1 add one, 3 add 10 5 add 2.
Your welcome :)
Answer:
40
Step-by-step explanation:
2+2 = 4
4+4 = 8
8+32= 40