Learning objective
E9 Use trigonometric functions to solve problems in context, including problems involving vectors, kinematics and forces.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Pure Mathematics
Subtopic
Trigonometry in context
Aqa A Level MathematicsPaper 1
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Quick explanation
E9 Use trigonometric functions to solve problems in context, including problems involving vectors, kinematics and forces
- This point belongs to Pure Mathematics, especially Trigonometry in context.
- You need to be able to e9 Use trigonometric functions to solve problems in context, including problems involving vectors, kinematics and forces.
- The key ideas to know are context, kinematics, and forces.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
contextkinematicsforcesvectors
Why it matters
This objective helps connect Trigonometry in context to exam-style questions, flashcards, and revision notes for Pure Mathematics.
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Open revision notesRelated learning objectives
- A1 Understand and use the structure of mathematical proof, proceeding from given assumptions through a series of logical steps to a conclusion; use methods of proof including proof by deduction and proof by exhaustion; use disproof by counter example; use proof by contradiction including proof of the irrationality of sqrt(2), the infinity of primes and application to unfamiliar proofs.
Proof
- B1 Understand and use the laws of indices for all rational exponents.
Laws of indices
- B2 Use and manipulate surds, including rationalising the denominator.
Surds
- B3 Work with quadratic functions and their graphs; use the discriminant including the conditions for real and repeated roots; complete the square; solve quadratic equations including solving quadratic equations in a function of the unknown.
Quadratic functions
- B4 Solve simultaneous equations in two variables by elimination and by substitution, including one linear and one quadratic equation.
Simultaneous equations