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But didn't it come like this?(see the attachment)Fightfish said:No there is nothing wrong with the labeling of the coordinates in the diagram. Recall that ##\cos \theta## is negative for ##\pi/2 < \theta < 3\pi/2## (or what you may know as the second and third quadrants).
Oh,now I got it,thank you so muchFightfish said:When you did the triangle construction in your diagram, you treated ##x## there as a length, which only takes on positive values, but ignored its position relative to where the origin was defined. So, the x-coordinate of the point should in fact be the negative of the ##x## in your derivation.
"Confusion in coordinates" refers to a situation where there is a discrepancy or inconsistency in the way that coordinates are defined or used. This can lead to confusion and errors in data analysis or navigation.
Confusion in coordinates can occur due to a variety of factors, such as using different coordinate systems, incorrect conversions between units, human error in recording or interpreting coordinates, or outdated or inaccurate data.
The consequences of confusion in coordinates can range from minor errors in data analysis to significant problems in navigation or mapping. It can also lead to delays or mistakes in scientific research or engineering projects.
To avoid confusion in coordinates, it is important to clearly define and use a consistent coordinate system, properly convert between units, double-check data for accuracy, and regularly update and verify data sources.
One example of confusion in coordinates in scientific research is when different data sets use different coordinate systems, leading to difficulty in comparing or combining them. Another example is when a study uses outdated or incorrect coordinate data, leading to inaccurate conclusions or models.