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[" (17) The value of "sin(pi)/(5)*sin(2 ...

[" (17) The value of "sin(pi)/(5)*sin(2 pi)/(5)*sin(3 pi)/(5)*sin(4 pi)/(5)" is: "],[[" (a) "(3)/(16)," (b) "(5)/(16)," (c) "(7)/(16)," (d) None of these "]]

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