Question
In Exercises $13-16,$ estimate $\Delta$y using differentials $[E q .(3)]$$$y=\cos x, \quad a=\frac{\pi}{6}, \quad d x=0.014$$
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014$ around the point $a=\frac{\pi}{6}$. Show more…
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Key Concepts
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In Exercises $13-16,$ estimate $\Delta$y using differentials $[E q .(3)]$ $$y=\tan ^{2} x, \quad a=\frac{\pi}{4}, \quad d x=-0.02$$
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