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Tag Archives: small changes

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Small Increments & Approximations – Sectorian Changes

Tuition given in the topic of A-Maths Tuition Questions from the desk of Miss Loi at 6:49 pm (Singapore time)

Today’s a typical Sunday where Miss Loi’s schedule is ultra-packed with joss sticks sessions (aka tuition). In any case, here’s a really standard question re-occurring in many exams to herald the end of your weekend: A sector has radius r cm and angle θ radians. Given that its area is fixed, use calculus to find […]

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