Trig Derivatives Comic #2

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• ﻿Really!? Thank you!
• This is Wanda, the master of Calculus. She will teach you what you seek.﻿
• ﻿Today I'll be teaching you about derivatives. From what I understand, you need help understanding trig derivatives so I'll keep it simple.
• It's not that I don't understand them. I just have trouble remembering them.
• ﻿Even better! I'll show you my method! It's easy!
• ﻿*Shreak* Ahh! Where did everything go!?
• sin(x) cos(x) tan(x) cot(x) sec(x) csc(x)
• First, you have to list all of trig functions in this order.
• ﻿sin(x)  cos(x) cos(x)  -sin(x)
• The first two are a given as the derivative of cos(x) is -sin(x) and the derivative of sin(x) is cos(x).
• Oh! So they're just opposites with opposite signs!... Where'd my body go!?﻿
• ﻿I see! So you already know the signs of the rest beforehand! The derivative of cotangent and cosecant are negatives while the rest are positive.
• sin(x) cos(x) tan(x) cot(x) sec(x) csc(x)
• cos(x) -sin(x)﻿ - -
• From here you can label every other row as a negative since you already know their signs.
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