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University of North Texas

# Two sides of a triangle have lengths $12 m$ and $15 m.$ The angle between them is increasing at a rate of $2^o/min.$ How fast is the length of the third side increasing when the angle between the side of fixed length is $60^o?$

## $d x / d t=.396 \mathrm{m} / \mathrm{min}$

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University of North Texas

Derivatives

Differentiation

Lectures

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