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How do you do this question? And why is the answer E and not A?

How do you do this question? And why is the answer E and not A?-example-1

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Explanation:

The answer should be A.

We can start with the fact that x = cos t, y = sin t traces the unit circle counterclockwise once every 2π radians, starting at (1, 0).

By starting at t = π instead of t = 0, we move the starting point to (-1, 0) without changing the direction.

All 5 options have the correct starting point (except D) and number of rotations, but only option A is counterclockwise.

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