Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Look at the diagram.
Q is still on the positive side of the origin, so the displacement (ie it position with respect to the origin) is positive.
Simple.
JimB
And since this is a sine wave, it will be positive in the first and second quarters, and negative in third and fourth quarters. (Remember All, Sine, Cosine, Tan)
y
|
|
SIN | ALL
|
|
-----------+------------- x
|
|
TAN | COS
|
|