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Eliminate the Parameter x=sint,y=3costx = \sin t , y = 3 \cos t

Question 30

Multiple Choice

Eliminate the parameter.
- x=sint,y=3costx = \sin t , y = 3 \cos t


A) x2+9y2=1x ^ { 2 } + 9 y ^ { 2 } = 1
B) 9x2+y2=19 x ^ { 2 } + y ^ { 2 } = 1
C) 9x2+y2=99 x ^ { 2 } + y ^ { 2 } = 9
D) x2+9y2=9x ^ { 2 } + 9 y ^ { 2 } = 9

Correct Answer:

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