What is the general solution of (sin 8 – 2rcos?0) dr + rcoso (2rsind + 1) de = 0 ? - O rsine p2 cos? 0 = C rcose + r sin e rsine + r? cos? e OP sin e- rcos?e = C

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Q: a) By expanding sin (2x + x) and using double angle formulae, show that sin 3x = 3 sin x- 4 sin'x.…

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Q: What is the general solution of sin 0-2rcos²0) dr + rcos0 (2rsind + 1) de = 0 ? %3D O sin 0 rcos²0…

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Q: What is the general solution of (r + sin 0 cos 8) dr + r (sin 0 + cos 0) d0 = 0 ? %3D rsind rcose =…

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