Core 3 - Chapter 5 - Further differentiation & the chain rule 5.0 / 5 based on 2 ratings ? MathematicsDifferential equationsA2/A-levelAQA Created by: joshknight_Created on: 15-03-14 12:23 What is the chain rule? dy/dx = dy/du x du/dx 1 of 6 Differentiation of sin x cos x 2 of 6 Differentiation of cos x -sin x 3 of 6 Differentiation of tan x sec x 4 of 6 An increasing function is a function f(x) such that f'(x) is... Always positive 5 of 6 A decreasing function is a function f(x) such that f'(x) is... Always negative 6 of 6
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