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Revision as of 22:03, 23 October 2008 edit74.183.242.181 (talk) →9: new section← Previous edit Latest revision as of 11:03, 6 July 2012 edit undoHayson1991 (talk | contribs)242 edits ←Blanked the page 
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<math>x = \tan\left(y\right)</math><br /><br />
<math>1 = \sec^2\left(y\right)*\frac{dy}{dx}</math> (Chain rule, derivative of tan=sec^2)<br /><br />
<math>\frac{1}{\sec^2\left(y\right)} = \frac{dy}{dx}</math><br /><br />
<math>\cos^2\left(y\right) = \frac{dy}{dx}</math><br /><br />
<math>\frac{dy}{dx} = \cos^2\left(y\right)</math><br /><br />

== 9 ==

x<sup>2</sup>y + xy<sup>2</sup> = 6

Latest revision as of 11:03, 6 July 2012