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The graph of $y = \arccos x$ is shown - AQA - A-Level Maths: Mechanics - Question 1 - 2021 - Paper 3

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The graph of $y = \arccos x$ is shown. State the coordinates of the end point P. Circle your answer. - $(-\pi, 1)$ - $(-1, \pi)$ - $(\frac{-\pi}{2}, 1)$ - $(-1, \... show full transcript

Worked Solution & Example Answer:The graph of $y = \arccos x$ is shown - AQA - A-Level Maths: Mechanics - Question 1 - 2021 - Paper 3

Step 1

State the coordinates of the end point P

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Answer

The end point P corresponds to the maximum value of the y=arccosxy = \arccos x function, which occurs at the point where x=1x = -1. The yy value at this point is π\pi. Therefore, the coordinates of the end point P are (1,π)(-1, \pi). Circling this answer is important to indicate it as the correct choice.

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