Locate $-pi/2$ on a Unit Circle
Answer 1
John Anderson
To locate $-\pi/2$ on the unit circle, we can follow these steps:
1. Start at the positive x-axis (0 radians).
2. Move clockwise because the angle is negative.
3. Since $-\pi/2$ radians equals -90 degrees, move 90 degrees clockwise from the positive x-axis.
4. This will place you on the negative y-axis.
Therefore, the coordinates for $-\pi/2$ on the unit circle are (0, -1).
Answer 2
Isabella Walker
Here is how to find the position of $-pi/2$ on the unit circle:
1. Begin at the starting point on the unit circle, which is at $(1, 0)$ on the positive x-axis.
2. Move in a clockwise direction as the angle $-pi/2$ is negative.
3. $-pi/2$ radians is equivalent to moving 90 degrees clockwise.
4. This movement will end at the negative y-axis.
Thus, the coordinates of $-pi/2$ on the unit circle are (0, -1).
Answer 3
Amelia Mitchell
To find $-pi/2$ on the unit circle:
1. Start at (1, 0) on the positive x-axis.
2. Move 90 degrees clockwise.
3. You will land on the negative y-axis.
Therefore, the coordinates are (0, -1).
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