Question: 13:49 Wed 8 Jun - '7 (a) 100% Cf! Done 25 Paper1 Y12 and 18 EoY Maths Pure (8 of 9) Q ['3 4. A

13:49 Wed 8 Jun "- '7 (a) 100% Cf! Done 25 Paper1 Y12 and 18 EoY Maths Pure (8 of 9) Q ['3 4. A triangle includes an obtuse angle 0. The two shorter sides of the triangle have lengths 4 cm and 7.5 cm; the area of the triangle is 10 cm2. Find the exact value of tan 0. (4) 13:49 Wed 8 Jun . . 1 @ @ 100% Done Paper 1 Y12 and 18 EoY Maths Pure (8 of 9) Q 4 of 20 3. Prove, from first principles, that the derivative of 4x is 8x (4)13:49 Wed 8 Jun . . 1 @ @ 100% Done Paper 1 Y12 and 18 EoY Maths Pure (8 of 9) Q 1. A circle has centre (-4, -3) and passes through the point (2, 3). Find the Cartesian equation of the circle.

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