The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r(1 - 2 cos ?) = 1
A. x2 + y2 = 1 + 2x
B. 
= 2 + x
C. x2 + y2 = 2 + x
D. 
= 1 + 2x
Answer: D
Mathematics
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A. 0.4745682 B. 0.4902955 C. 0.5124897 D. 0.4903152
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Evaluate the definite integral.
A. 
B. 
C. 
D. 0
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Add and simplify.
+ 
A. 
B. 
C. 
D. 
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Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
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