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[" 56.If "cos^(-1)sqrt(p)+cos^(-1)sqrt(1...

[" 56.If "cos^(-1)sqrt(p)+cos^(-1)sqrt(1-p)+cos^(-1)sqrt(1-q)=(3 pi)/(4)" ,then the "],[" value of "q" is "],[[" (a) "1," (b) "(1)/(sqrt(2))],[" (c) "(1)/(3)," (d) "(1)/(2)]]

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