For the curve in polar form ( sqrt{ frac{r}{a}} = sec ( frac{ }{2}) – McqOptions

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1.	For the curve in polar form ( sqrt{ frac{r}{a}} = sec ( frac{ }{2}) ,the , ,value , ,of , frac{ds}{d } ) is _____
A.	r sec
B.	r sec (( frac{ }{2}) )
C.	r sec (2 )
D.	r cosec (( frac{ }{2}) )
Answer» D. r cosec (( frac{ }{2}) )

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