The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 2(sin ? - cos ?)
A. x2 + y2 = 2x - 2y
B. 2x2 + 2y2 = y - x
C. 2x2 + 2y2 = x - y
D. x2 + y2 = 2y - 2x
Answer: D
You might also like to view...
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 4x, y = 8x, y = 4
A. 
?
B. 
?
C. 16?
D. 8?
Find the annual amount of depreciation using the units-of-production method. Round to the nearest dollar.Depreciation per unit: $0.09Units of production: 214,000
A. $237,778 B. $1,926 C. $19,260 D. $23,778
Consider the series 
.
?
Find the radius of convergence of the power series.
?
__________
?
Find the interval of convergence of the power series.
?
__________
What will be an ideal response?
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.10x = 0.81
A. x = log - 
B. x = log 0.81
C. x = log -0.81
D. x = log 