6) Match each equation (I)-(IV) with its polar graph from choices A-D (1) r=-3cose Answer: A (11) r=2+ 2sine Answer: B (III) r=5cos20 Answer: C (IV) r2=4sin20 Answer: D 4 年 0
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- One of the following represents the point with Cartesian coordinates (1.- 3 in terms of polar coordinates: (A) ( – 2, –-) (B) (2, -) (C) ( – 2, 5) (D) (2, ) (E) (2, 5Sketch the curve (x2 + y2 )3 =4x2y2 by converting to polar coordinate systemReplace the Cartesian equation (x − 1)² + (y + 4)² = = 4 with an equivalent polar equation.
- Change the polar equation 2r = 2 + cos 0.(2r - 1) to Cartesian equation Ans./y² - 3x² - 4x − 1 = 0Convert eVx²+y² = 10 to an equation in polar coordinates of the form r = f(0). (Use symbolic notation and fractions where needed.) r =A curve with polar equation r=42/(9sin(theta)+28cos(theta)) represents a line. This line has a Cartesian equation of the form y=mx+by=mx+b ,where mm and bb are constants. Give the formula for yy in terms of xx. For example, if the line had equation y=2x+3y=2x+3 then the answer would be 2⋅x+32⋅x+3.