Eliminate the parameter to express the parametric equations as a single equation in x and y.x = 7 cos t, y = 7 sin t
A. x2 - y2 = 7
B. x2 - y2 = 49
C. x2 + y2 = 7
D. x2 + y2 = 49
Answer: D
Mathematics
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 figure 2.png)
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