the derivative of tangent by the definition

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the "it is well known' part is actually where half of the beef is.

andik
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Hey Micheal! How about finding the q-derivative of tanx. Maybe a new video idea!

OSW
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It is more fun to do the long path so the use of tan(h)/h is motivated.

atzuras
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Well, I've never seen the identity used for the second step. I would have to develop it myself.

LouisEmery
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Scrolled too far bruh how did i get here

thatoneguy_hun
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We aren't even taking for granted that we know the limit of tan x but (tan x)/x is "well known", seems legit

jesusthroughmary