Using small angle approximations, show that for small, non-zero values of xxx
xsin3x1−cos6x≈K
\frac{x \sin 3x}{1 - \cos 6x} \approx K
1−cos6xxsin3x≈K
where KKK is a constant to be determined.
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Markscheme
5.5 Small Angle Approximations Questions
25 exam-style questions on Edexcel A Level Maths 5.5 Small Angle Approximations. Each one has a worked solution and a mark scheme showing where the marks go.