Difference between revisions of "Derivative of tangent"
From specialfunctionswiki
| Line 2: | Line 2: | ||
<strong>[[Derivative of tangent|Proposition]]:</strong> $\dfrac{d}{dx}$[[Tangent|$\tan$]]$(x)=$[[Secant|$\sec$]]$^2(x)$ | <strong>[[Derivative of tangent|Proposition]]:</strong> $\dfrac{d}{dx}$[[Tangent|$\tan$]]$(x)=$[[Secant|$\sec$]]$^2(x)$ | ||
<div class="mw-collapsible-content"> | <div class="mw-collapsible-content"> | ||
| − | <strong>Proof:</strong> | + | <strong>Proof:</strong> █ |
</div> | </div> | ||
</div> | </div> | ||
