Also, in simultaneous equations in 3 or 4 variables, it would really help if we could choose a variable to eliminate in the elimination method rather than it just choosing what to eliminate. Best calculator for problems that are not just add, subtract, multiply, and divide.
Polar Equation of Cardioid The polar equation of the horizontal cardioid is given by; r = a (1 ± cosθ) Similarly, the polar equation of the vertical cardioid is given
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The cardioid has Cartesian equation (3) and the parametric equations (4) (5) The cardioid is a degenerate case of the limaçon. It is also a 1-cusped epicycloid (with ) and is the catacaustic formed by rays originating at a
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