2b When is small, A1 1.1b 7th θ Use small-angle approximations to solve problems. (1) (5 marks) Notes Pearson Progression Step Q Scheme Marks AOs and Progress descriptor 3a Writes tanx and secx in terms of sinx and cosx. For example, M1 2.1 5th Understand the Manipulates the expression to find M1 1.1b functions sec, cosec and cot. Simplifies to find A1 1.1b (3) 3b States thator B1 2.2a 6th Use the functions Writes thator M1 1.1b sec, cosec and cot to solve simple Finds A1 1.1b trigonometric problems. (3) (6 marks) Pearson Progression Step Q Scheme Marks AOs and Progress descriptor
2b When θ is small, A1 1.1b 7th Use small-angle approximations to solve problems. (1) (5 marks) Notes Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 3a Writes tanx and secx in terms of sinx and cosx. For example, M1 2.1 5th Understand the functions sec, cosec and cot. Manipulates the expression to find M1 1.1b Simplifies to find A1 1.1b (3) 3b States thator B1 2.2a 6th Use the functions sec, cosec and cot to solve simple trigonometric problems. Writes thator M1 1.1b Finds A1 1.1b (3) (6 marks) Q Scheme Marks AOs Pearson Progression Step and Progress descriptor
al_maths_pure_unit_6_ms.docx