KeyonteHammon KeyonteHammon

05-11-2020
Mathematics

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Find the derivative of the trigonometric function using the Chain Rule.
y=cos✓x

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LammettHash LammettHash

06-11-2020

If y = cos(√x), then by the chain rule

dy/dx = d/dx [cos(√x)]

dy/dx = - sin(√x) d/dx [√x]

dy/dx = - sin(√x) (1 / (2√x))

dy/dx = - 1/2 sin(√x) / √x

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