Establishing the Derivatives of sin x, cos x & tan x

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One of the best math instructions in my entire life. Thank you Mr. Eddie Woo

ksrajavel
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This is how these trig functions should be introduced.

alephnull
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Superb explanation ۔ This is what I was looking for

PoliticalEinstein
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He’s an underrated teacher and this channel too
The quality of video can be improved by jus placing the can bit more closer to board…

sumithadavid
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Hey edd...I appreciate your videos man. .thanks

mkmathstutorials
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I was wondering what the second derivative means about the first derivative....in physics that 's the "impulse". But I had trouble remembering if the point of intersection with the function had any relationship...(the graphs intersections_) .I think if I remember right, that there is none. I used to get this stuff down pat. I still do but it was extremely easy with Mr Woo's help! What a joy Eddie Woo is in the classes he put in his channel.

ramsesvasquez
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I watch math classes from MIT you tube and the professor write really big, so people in the back can see. This would be great here.

arlenestanton
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Everything is fine, but how have you start with 1 and then to zero. Fro sinx and then for dy/dx of sinx=cost. Positive & xome down to zero, ?

abdullahnarejo
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Why does my teacher not show us this stuff

REDandBLUEandORANGE
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Could you please write larger, very diff to see.

jimcar
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Amazing lecture.but could you write a little big.

divyadharshinim
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Thanks :) no one explained this before!

Tiger-
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He proved that the derivative of sin is cos by using some particular points but he has to prove that it is true for all points ... that’s how things work in maths in general

bashir
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The content and lecture delivery was perfect... the sound quality ruined everything.... I can't use headphones because it gives me headache at least a full day ... so no other option left for me....

thinkgrow
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A bit confusing cause the local minimum of the sine curve should level up with the local minimum of the cosine curve. He didn't draw it correctly.

ernestschoenmakers
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