Trigonometry C3 Examination Questions
Related Topics:
More Lessons for A Level Maths
Math Worksheets
Examples, videos, solutions, activities and worksheets that are suitable for A Level Maths.
A-Level Maths Edexcel C3 June 2008 Q5a
This question is on proving a trigonometric identity
(a) Given that sin2 θ + cos2 θ ≡ 1, show that 1 + cot2 θ ≡ cosec2 θ
A-Level Maths Edexcel C3 June 2008 Q5b
This question is on solving a trigonometric equation.
(b) Solve, for 0 ≤ θ < 180°, the equation
2 cot2 θ – 9 cosecθ = 3,
giving your answers to 1 decimal place
A-Level Edexcel C3 January 2010 Q3(a)
Worked solution to this question on trigonometry
(a) Express 5 cos x – 3 sin x in the form R cos (x + α), where R > 0 and 0 < α < π/2.
A-Level Edexcel C3 January 2010 Q3(b)
(b) Hence, or otherwise, solve the equation
5 cos x – 3 sin x = 4
for 0 ≤ x < 2π, giving your answers to 2 decimal places.
More Lessons for A Level Maths
Math Worksheets
Examples, videos, solutions, activities and worksheets that are suitable for A Level Maths.
A-Level Maths Edexcel C3 June 2008 Q5a
This question is on proving a trigonometric identity
(a) Given that sin2 θ + cos2 θ ≡ 1, show that 1 + cot2 θ ≡ cosec2 θ
This question is on solving a trigonometric equation.
(b) Solve, for 0 ≤ θ < 180°, the equation
2 cot2 θ – 9 cosecθ = 3,
giving your answers to 1 decimal place
Worked solution to this question on trigonometry
(a) Express 5 cos x – 3 sin x in the form R cos (x + α), where R > 0 and 0 < α < π/2.
(b) Hence, or otherwise, solve the equation
5 cos x – 3 sin x = 4
for 0 ≤ x < 2π, giving your answers to 2 decimal places.
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.