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If pi+theta is the eccentric angle of a ...

If `pi+theta` is the eccentric angle of a point on the ellipse `16x^(2)+25y^(2) = 400` then the corresponding point on the auxiliary circle is

A

`(-4 cos theta,-4 sin theta)`

B

`(-5 cos theta,-5 sin theta)`

C

`(4 cos theta,4 sin theta)`

D

`(5 cos theta,5 sin theta)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELLIPSE-PRACTICE EXERCISE
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  13. If the chord joining two points whose eccentric angles are alpha and ...

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  14. If alpha and beta are the eccentric angles of the ends of a focal chor...

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  18. If pi+theta is the eccentric angle of a point on the ellipse 16x^(2)+2...

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