Page history

Ed Poor

misleading - the graph shows more than a full period

Ed Poor

It's obviously a graph - you don't have to tell us that

Ed Poor

move down equation - it does not really define a cosine

BRichtigen

no edit summary

BRichtigen

Cosine Graph

CSGuy

Note that this category WILL exist in a few minutes.

Foxtrot

wikify

DRamon

no edit summary

RobSmith

Reverted edits by Ronpaulrules2 (Talk); changed back to last version by Hojimachong

Ronpaulrules2

no edit summary

Hojimachong

New page: '''Cosine''' is a trigonometric function. <math>\cos \theta = \sin \left(\frac{\pi}{2} - \theta \right) = \frac{1}{\sec \theta}\,</math> Category:Mathematics