
We know that : (a - b)(a + b) = a² - b²

We know that : 1 - sin²x = cos²x



We know that : sec²x = 1 + tan²x







Answer:
Can you please post a picture?!
Step-by-step explanation:
Answer:54pounds
Step-by-step explanation:63-9=54
Answer: Choice A. {-3,-1,0,1,2}
Explanation:
The range is the list of y coordinates of each point.