Derivatives and Rate of Change : Rate of Increasing Area of an Isoceles Triangle
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Let θ (theta) be the angle between equal sides of an isosceles triangle and let x be the length of these sides. If x is increasing at ½ meter per hour and θ (theta) is increasing pi/90 radians per hour, find the rate of increasing of the area when x=6 and θ=pi/4.
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