What is the significance of the equation X^2 + y^2 = 25?
How to eliminate the parameter with two trigonometric equations
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to eliminate parameters in equations by using the equation of a circle. It starts by discussing the limitations of using inverse functions for solving T and introduces the circle equation X^2 + Y^2 = R^2 as a more effective method. The tutorial then demonstrates how to derive the value of R using trigonometric identities, specifically cosine squared and sine squared. Finally, it concludes by explaining how the graph of the equation represents a circle, not a line or quadratic.
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OPEN ENDED QUESTION
3 mins • 1 pt
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OPEN ENDED QUESTION
3 mins • 1 pt
Why does the graph of the equation represent a circle?
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