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What is the correct relation between 13π/5 and −7π/5?

Answer and explanation

Correct answer: They are coterminal

Two angles are coterminal when their difference is an integral multiple of 2π. Calculate the difference: 13π/5 − (−7π/5) = 20π/5 = 4π = 2(2π). Since 4π is a whole-number multiple of one complete revolution, both angles have the same terminal side. Hence option D is correct.

Related tags

Trigonometric-FunctionsCoterminal-AnglesAnglesMathematicsClass 12Trigonometric FunctionsClass 12 Mcq

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