If \[x=a(t+\sin t)\]and \[y=a(1-\cos t)\], then \[\frac{dy}{dx}\] equals [RPET 1996; MP PET 2002]

If \[x=a(t+\sin t)\]and \[y=a(1-\cos t)\], then \[\frac{dy}{dx}\] equa

1.	If \[x=a(t+\sin t)\]and \[y=a(1-\cos t)\], then \[\frac{dy}{dx}\] equals [RPET 1996; MP PET 2002]
A.	\[\tan (t/2)\]
B.	\[\cot (t/2)\]
C.	\[\tan 2t\]
D.	\[\tan t\]
Answer» B. \[\cot (t/2)\]

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If \[x=a(t+\sin t)\]and \[y=a(1-\cos t)\], then \[\frac{dy}{dx}\] equals [RPET 1996; MP PET 2002]

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