Question

Eliminate theata from x=a cos theata, y =b sin theata
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Answer 1

Answer:

Step-by-step explanation:

in the question cos theta and sin theta are there so to eliminate them we has to use an identity cos2 theta+ sin2 theta=1

so now

given,

x=a cos theta

cos theta=x/a

similarly,

sin theta =y/b

now substitute it in the identity

we get,

(x/a)2+(y/b)2=1

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