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.
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, 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.
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.
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
