Question

Helppp, Please?

Answer 1

y = A cos/sin (x)

A is the amplitude, do you get it? o-o

Answer 2

No, i dont understand.

Answer 3

for example, the first one
y = 3 sin x

what is the A, the amplitude in here?

formula::::::!!
[y = A sin x]

Answer 4

So are these right?

9. 3
10. 2
11. 1/2
12. 0.75

Answer 5

yup

Answer 6

what about 13 is that 0 or 1?

Answer 7

anything times 0 is 0

anything times 1 is itself

which one do you think?

Answer 8

Your so freaking confusing!

Answer 9

D: lol
y = 1* cos x
it's 1