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27. Let f(x) = sinx + cosx, g(x) = x2-1, then g (f(x)) is invertible for x e(2)\lbrack 즐이(1)202(4)T T(3)4tlo

Answer» 27. Let f(x) = sinx + cosx, g(x) = x2-1, then g (f(x)) is invertible for x e(2)\lbrack 즐이(1)202(4)T T(3)4tlo


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