Question

2.solve

arc(cos(x)) > arc(cos(x²))​

Answer 1

Answer:

As the function arccos is monotonous decreasing,

arccos(a)<arccos(b)⟹a>b.

The given equation turns to

x<x2

0<x(x−1),

x<0∨x>1.

Step-by-step explanation:

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