OML Search

Trigonometry C2 Exam Solutions

Related Topics:
More Lessons for A Level Maths
Math Worksheets



Examples, videos, solutions, activities, and worksheets that are suitable for A Level Maths.
How to solve trigonometric equations?

A-level Maths Edexcel C2 June 2008 Q9a
Solving a trig equation in a given range
Solve, for 0 ≤ x < 360°,
(a) sin(x - 20°) = 1/√2
A-level Maths Edexcel C2 June 2008 Q9b
Solving a trig equation in a given range
Solve, for 0 ≤ x < 360°,
(b) cos 3x = - 1/2



A-Level Maths Edexcel C2 January 2009 Q8a
(a) Show that the equation
4 sin2 x + 9 cos x – 6 = 0
can be written as
4 cos2 x – 9 cos x + 2 = 0.
A-Level Maths Edexcel C2 January 2009 Q8b
Worked solution to this question on trigonometry.
(b) Hence solve, for 0 ≤ x < 720°,
4 sin2 x + 9 cos x – 6 = 0,
giving your answers to 1 decimal place

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


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.


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.


[?] Subscribe To This Site

XML RSS
follow us in feedly
Add to My Yahoo!
Add to My MSN
Subscribe with Bloglines