The function f(x) = (1 – sinx + cosx) / (1 + sinx + cosx) is not defined at x = π. The value of f(π) so that f(x) is continuous at x = π is - NDA Mathematics 2015 (II)

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The function f(x) = (1 – sinx + cosx) / (1 + sinx + cosx) is not defined at x = π. The value of f(π) so that f(x) is continuous at x = π is