Rates of Change of Trigonometric Functions

Practice: Rates of Change of Trigonometric Functions

Determine the average rate of change of the function f(θ)=tan(π4θ)f(\theta)=\tan(\pi-4\theta) on the interval π4θ2π3-\dfrac{\pi}{4}\leq{}\theta\leq{}\dfrac{2\pi}{3}.
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