If the tangent at 0=- to the curve 4 x= a cos' 0, y = a...

 

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If the tangent at 0=- to the curve 4 x= a cos' 0, y = a sin' e meets the x and y axes in A and B then the area of the triangle OAB is a? 1) sq.units 4 2) sq.units 2 За? Sa? 3) -sq.units 4) -sq.units 4 4 If the tangent at 0=- to the curve 4 x= a cos' 0, y = a sin' e meets the x and y axes in A and B then the area of the triangle OAB is a? 1) sq.units 4 2) sq.units 2 За? Sa? 3) -sq.units 4) -sq.units 4 4