Multiple choice small angle formula

A question is this type if and only if it is a multiple choice question asking to identify the correct small angle approximation for a given trigonometric expression.

1 questions · Moderate -0.8

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AQA Paper 1 2023 June Q4

1 marks Moderate -0.8

4 Given that \(\theta\) is a small angle, find an approximation for \(\cos 2 \theta\) Circle your answer. \(1 - \frac { \theta ^ { 2 } } { 2 }\) \(2 - 2 \theta ^ { 2 }\) \(1 - 2 \theta ^ { 2 }\) \(1 - \theta ^ { 2 }\)