DIYbanter - View Single Post

dpb

zzzzzzzzzz wrote:
On Sat, 15 Jan 2011 12:45:26 -0600, dpb wrote:

zzzzzzzzzz wrote:
...

No they, in fact, aren't. One is the negative of the other.
Which is the same as a time phase shift of pi radians.

To see so (in Matlab)

Matlab is wrong.
....

Not unless

sin(pi–t) = sin t

cos(pi–t) = –cos t

are no longer identities...