do anyone know?
Hi,
The graph of y = cos theta is a standard one that can be found in many books.
On the Internet, you may see the shape and important properties of this graph at:
http://www.intmath.com/Trigonometric-graphs/1_Graphs-sine-cosine-amplitude.php
Thanks.
Cheers,
Wen Shih
Hi,
English lesson:
it should be
Does anyone know?
:)