Question

x = a cos 0, y = a sin 0 is a parametric
form of:​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Given, x=acosθ and y=asinθ

After eliminating the parameter the circle is x

2

+y

2

=a

2

which have center (0,0) and radius a

Since ∠OQP=∠QRP=

2

π

, the circle on OP as diameter is the circumcised of ΔPQR

∴ its equation is (x−0)(x−h)+(y−0)(y−k)=0

⇒x

2

+y

2

−hx−ky=0