Find bn when we have to find the half range sine series of the functio – McqOptions

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1.	Find bn when we have to find the half range sine series of the function x2 in the interval 0 to 3.
A.	-18 ( frac{cos(n )}{n } )
B.	18 ( frac{cos(n )}{n } )
C.	-18 ( frac{cos(n pi 2)}{n } )
D.	18 ( frac{cos(n pi 2)}{n } )
Answer» B. 18 ( frac{cos(n )}{n } )

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