Exam (elaborations)
A Level Maths Formulas / Sure A+
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- Institution
arc length (radians) - s = θr arithmetic sequence - Un = an + (n-1) d arithmetic series - Sn=n/2 (2a + (n-1)d) OR Sn= n/2 (a+l) chain rule - dy/dx = dy/du x du/dx Double Angle Identities - Sin(2x) = 2SinxCosx
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