Analytic Trigonometry. Barnett Ziegler Bylean. Polar coordinates and complex numbers. Chapter 7. Polar coordinates. Ch 7 - section 1. Converting a point polar to rectangular. Given (3, 30⁰) From unit circle we know that cos ( ө )= x/r
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Barnett Ziegler Bylean
Polar coordinates and complex numbers
3x2 + 5y = 4 – 3y2
3r2cos2(ө) + 5r sin(ө) = 4 – 3 r2sin2(ө)
3r3 = 4 – 5r sin(ө)