Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

The curve is defined by $y^3\sin 2x + 4y = 8$.
(main)[6]

Find the equation of the tangent at the point where the curve crosses the $y$-axis.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: Differentiate by applying the product rule, giving a form such as $k_1y^2\frac{dy}{dx}\sin 2x+k_2y^3\cos 2x$

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