[" 2.If "f(x)={[(sin(cos x)-cos x)/((pi-...

[" 2.If "f(x)={[(sin(cos x)-cos x)/((pi-2x)^(2)),,x!=(pi)/(2)],[k," is continuous at "x=(pi)/(2)," then "k" is equal to "]],[[" (a) "0," (b) "(1)/(2),x=(pi)/(2)," (c) "1]]

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