Question: Prove that function f given by f(x) = log (cos x) is strict TC and strictly increasing on ( TO 2 decreasing on 0,

Prove that function f given by f(x) = log (cos x) is

Prove that function f given by f(x) = log (cos x) is strict TC and strictly increasing on ( TO 2 decreasing on 0, (0, 7) 2

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