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Which pair of angles, in standard position, has the same terminal arm but represents rotations in opposite directions?

Answer and explanation

Correct answer: \(\frac{\pi}{3}\) और \(-\frac{5\pi}{3}\)

\(\frac{\pi}{3}-(-\frac{5\pi}{3})=2\pi\), so the angles are coterminal and have the same terminal arm. One angle is positive and the other negative, so their rotations are in opposite directions. Exam tip: coterminal angles differ by a multiple of \(2\pi\).

Related tags

Trigonometric FunctionsAnglesCoterminal AnglesStandard PositionRadiansMathematicsClass 12 Mcq

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