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[" Q.2If "cos A=(3)/(4)" then the value ...

[" Q.2If "cos A=(3)/(4)" then the value of "sin(A)/(2)sin(5A)/(2)" is- "],[[" (A) "(1)/(32)," (B) "(11)/(8)],[" (C) "(11)/(32)," (D) "(11)/(16)]]

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