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# Pertemuan 2

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### Transcript of "Pertemuan 2"

1. 1. PERTEMUAN KE-2
2. 2.  Sistem Koordinat adalah suatu cara/metode untuk menentukan letak suatu titik. Macam sistem koordinat: Sistem Koordinat Cartesius, Sist ko Kutub, Sist Ko Tabung, dan Sist Ko Bola.
3. 3.  Dari rumus segitiga diperoleh hubungan sbb:1. x = r cos θ, y = r sin θ2. r2 = x2 + y2 Contoh:1. Nyatakan ke dalam sistem koordinat Cartesius: a. A(4, 2π/3) b. B(-5, π/4) c. C(-3, -5π/6)2. Nyatakan ke dalam sistem koordinat Kutub: a. P(4, -4) b. Q(-4, 4)
4. 4. 3. Nyatakan persamaan r = 2a sin θ ke dalam sistem koordinat Cartesius.
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