Question 38

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Jambmaths question: 

Find $\frac{dy}{dx}$if y = cos x 

Option A: 

sin x

Option B: 

– sin x

Option C: 

tan x

Option D: 

–tan x

Jamb Maths Solution: 

$\begin{align}  & y=\cos x \\ & \frac{dy}{dx}=-\sin x \\\end{align}$

Jamb Maths Topic: 
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