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Meet Lieutenant A. M. Yerima of the Nigerian Navy — a man whose uniform does not only represent rank, but discipline, self-respect, and courage. Recently, he stood his ground and refused to be intimidated by Nyesom Wike. He remained calm, respectful, and firm. This is the kind of courage and character we need in Nigeria today. Many people are asking: how can a public official speak to a military officer in such a manner, in front of everyone? But Lt. Yerima did not lose control. He did not bow.

Evaluating Inverse Trigonometric Functions