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Trigonometry Trigonometric Equations

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One root of the eqaution cos x - x + 1/2 = 0 lies in the interval

A. [0, π/2]

B. [-π/2, 0]

C. [π/2, π]

D. [π, 3π/2]

E. None of the above

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Correct choice: A

Explanation:

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Eamcet Mathematics Trigonometry Trigonometric Equations

Eamcet Mathematics
Trigonometry Trigonometric Equations