Math Problem Statement
A point is graphed in rectangular form. Find polar coordinates for the point, with r > 0 and 0 < θ < 2π.
Solution
The problem involves converting a point in rectangular (Cartesian) form to polar coordinates.
Solution Process:
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Polar Radius (): The formula for the polar radius is: Substituting and :
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Angle (): The angle in polar coordinates is given by: Substituting and : From the tangent function, an angle where in the second quadrant (where ) is:
Polar Coordinates:
The polar coordinates for the point are:
Would you like more explanation or have further questions? Here are related questions to consider:
- What is the general process to convert Cartesian coordinates to polar coordinates?
- How do we determine the correct quadrant for the angle ?
- What are the implications of negative or values in polar conversion?
- How can we verify the polar coordinates by converting back to rectangular coordinates?
- How does the polar form help in solving problems involving symmetry?
Tip: Always check the quadrant of the angle when using the
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Math Problem Analysis
Mathematical Concepts
Polar Coordinates
Cartesian Coordinates
Trigonometry
Formulas
Polar radius formula: r = √(x² + y²)
Angle formula: tan(θ) = y / x
Theorems
Pythagorean Theorem
Suitable Grade Level
Grades 9-12