Question

Trigonometric graph help?

Answer 1

yeah what exactly is the question ? :)

Answer 2

what is the equation of that graph

Answer 3

heard of `period` and `amplitude` before ?

Answer 4

No :(

Answer 5

easy - they're just properties of a wave

Answer 6

Okay

Answer 7

Look at the graph :
the curve is swinging up and down continuously... can you tell the middle line of wave ?

Answer 8

middle line?

Answer 9

yes, its going as high as 2, and sinking down as low as -2
so the middle value is (-2+2)/2 = 0

Answer 10

middle line will be y = 0
or the x axis itself

Answer 11

Ohh yes

Answer 12

amplitude = distance between this middle line and the highest value

Answer 13

ok