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Worked solution exam question on implicit differentiation.

**A-Level Edexcel C4 January 2010 Q3**

The curve C has the equation

cos 2x + cos 3y = 1, -π/4 ≤ x ≤ π/4, 0 ≤ y ≤ π/6

(a) Find dy/dx in terms of x and y.

The point P lies on C where x = π/6

(b) Find the value of y at P.

(c) Find the equation of the tangent to C at P, giving your answer in the form ax + by + cπ = 0, where a, b and c are integers.

**A-Level Edexcel C4 January 2010 Q3(a)**

**A-Level Edexcel C4 January 2010 Q3(b)**

**A-Level Edexcel C4 January 2010 Q3(c) **

**A-Level maths Edexcel C4 January 2007 Q5**

A set of curves is given by the equation sin x + cos y = 0.5

(a) Use implicit differentiation to find an expression for dy/dx.

For -π < x < π and -π < y < π,

(b) find the coordinates of the pints where dy/dx = 0

**A-Level maths Edexcel C4 January 2007 Q5a**

The question is on implicit differentiation.**
A-Level Maths Edexcel C4 January 2008 Q5b**

This question is on implicit differentiation

More Lessons for A Level Maths

Math Worksheets

Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths.

Worked solution exam question on implicit differentiation.

The curve C has the equation

cos 2x + cos 3y = 1, -π/4 ≤ x ≤ π/4, 0 ≤ y ≤ π/6

(a) Find dy/dx in terms of x and y.

The point P lies on C where x = π/6

(b) Find the value of y at P.

(c) Find the equation of the tangent to C at P, giving your answer in the form ax + by + cπ = 0, where a, b and c are integers.

A set of curves is given by the equation sin x + cos y = 0.5

(a) Use implicit differentiation to find an expression for dy/dx.

For -π < x < π and -π < y < π,

(b) find the coordinates of the pints where dy/dx = 0

The question is on implicit differentiation.

This question is on implicit differentiation

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