(a) Find the differential $dy$. y = cos x dy = -sin(x)dx (b) Evaluate $dy$ for the given values of $x$ and $dx$. (Round your answer to three decimal places.) x = pi/3 and $dx = -0.05$. dy = -0.043
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To do this, we take the derivative of y with respect to x: dy/dx = -sin(x) Now, we can find dy by multiplying both sides by dx: dy = -sin(x)dx Show more…
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