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Which of the following about trigonometric functions is not true? 0000 The cosine ofan angle is always less than or equal to 1. The secant

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Which of the following about trigonometric functions is not true? 0000 The cosine ofan angle is always less than or equal to 1. The secant of an angle is always greater than or equal to 1. The tangent of an angle is always increasing in (31/2, "12). The cotangent of an angle is always decreasing in (0, n)

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