Answer: 4x^{2} - 7x + 5
Step-by-step explanation:
Let y be the number
Answer:
They are all correct. Well done.
⅜
30/80
= 3/8
no it isn't. 2cos(x) is 2 multiplied by cos(x), cos (2x) is cos(2 multiplied by x) meaning 2x is the angle you're taking the cosine of. if you want to know what cos(2x) look up the double angle rule.
