Polar Coordinates: Traveling Clockwise from (0,-1) to (0,1)

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SUMMARY

The discussion focuses on parameterizing a circle traveling clockwise from the point (0, -1) to (0, 1) using polar coordinates. The correct parameterization is given by the equations x = cos(t) and y = -sin(t). The values at the extremes are clarified, with t = 0 yielding (1, 0) and t = π resulting in (-1, 0), confirming the clockwise direction of travel.

PREREQUISITES
  • Understanding of polar coordinates
  • Knowledge of trigonometric functions
  • Familiarity with parameterization of curves
  • Basic calculus concepts
NEXT STEPS
  • Study the properties of polar coordinates in detail
  • Learn about parameterization of different types of curves
  • Explore the relationship between trigonometric functions and circular motion
  • Investigate the implications of directionality in parameterization
USEFUL FOR

Students studying calculus, mathematics enthusiasts, and anyone interested in understanding the parameterization of circular motion in polar coordinates.

phamdat1202
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Homework Statement


the circle travels clockwise from (0,-1) to (0,1)
write down the parameterization in term of t

Homework Equations


The Attempt at a Solution


x=cost(t)
y=-sin(t)

i'm not sure about the sign of the polar coordinate, how to find the sign?
 
Last edited:
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Think about the extremes, what should the values be at t = 0? what about t = pi?
 

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