cos(x+\frac{1}{4}n\pi ) - sin(x+\frac{1}{4}\ n\pi ) = \sqrt{2} cos(x+\frac{1}{4}(n+1)\pi ))}
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
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