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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

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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