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Di dalam kordinat Kartesius, persamaan mana yang merepresentasikan $r=14cos(\\theta)$, dengan $0\\leq\\theta\\leq 2\\pi$?

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Persamaan $(x^2+y^2)^3=(x^2+y^2)^2$ memiliki bentuk grafik seperti pada gambar di atas, dan disebut sebagai Quadrifolium. Di dalam kordinat polar, persamaan tersebut dapat dituliskan sebagai

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Persamaan garis $y=ax+b$ dapat dituliskan ke dalam kordinat polar menjadi $r=\\frac{13}{sin(\\theta)-24cos(theta)}$. Asumsikan nilai $b$ positif. Berapakah nilai dari $a+b$?

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Karena gabut, Arini melukis wajah orang tersenyum pada kordinat polar, seperti berikut ini:

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Persamaan mana yang mendeskripsikan bagian mulut pada gambar tersebut?

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Berapakah luas daerah yang berada di dalam kurva $r=3+2sin(\\theta)$ dan di luar lingkaran $r=2$?

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Waktu telah habis! :-(

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5 menit lagi waktu akan habis. Semangat qaqa.

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Kuis tentang kordinat polar. Anda pasti suka.

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