Differentiation - sin(x) and cos(x)

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A Level Maths revision tutorial video.

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Great teaching; deserves more recommends.

kainaatmakhani
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awesome video, searched it up and perfectly what i was looking for, great difficulty of questions and easing me into it, ready for harder application

williamjeffery
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Helped with my maths coursework, nice one

AyA-fhjt
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There is a trig. identity when you the derivative of (sin(x))^2 and (cos(x))^2, which is sin(2x) and -sin(2x) respectively.

justabunga
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Quick question, if you move the number in front of negative sinx to the other side, does it become positive of stays negative?

jmaster
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This is helpful, how do I start with i= 4e^cos(t)

leejohnson
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why we copy paste the bracket at sin/cos ? how does it work? sorry for asking i am a newbie

fathyasrar
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Hi guys, do you mean by bracket differentiated you're multiplying by the value of X in the bracket?

lukeberry
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bros got the most annnoying mic ever wth

alinemli
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Great teaching; deserves more recommends

helenday