# Crossing point of Graphs of Polar Coordinates .

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Crossing point of Charts of Polar Directions. Lesson 10.9. Why??!!. Lesson 10.10 will be discovering territory of crossing districts Need to know where the diagrams converge. r = 1 r = 2 cos ?. Methodologies. r = 1 r = 2 cos ?. Use substitution Let r = 1 in the second mathematical statement Explain for ?
Transcripts
Slide 1

﻿Crossing point of Graphs of Polar Coordinates Lesson 10.9

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Why??!! Lesson 10.10 will discover territory of crossing districts Need to know where the charts converge r = 1 r = 2 cos θ

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Strategies r = 1 r = 2 cos θ Use substitution Let r = 1 in the second condition Solve for θ Let @n1 = 0, result is

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A Sneaky Problem Consider r = sin θ and r = cos θ What is concurrent arrangement? Where sin θ = cos θ that is Problem … the convergence at the shaft does not show up utilizing this methodology You should assess the chart

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Hints Graph the bends on your adding machine Observe the quantity of crossing points Zoom in as required Do a synchronous answer for the two conditions Check comes about against watched purposes of crossing point Discard copies Note crossing point at the post that concurrent arrangements might not have given

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The others are copies Try These Given r = sin 2 θ and r = 2 cos θ Find all purposes of convergence By perception one point is (0, 0) Use variable based math to discover the others

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Assignment Lesson 10.9 Page 455 Exercises 1 – 11 odd

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