Key Polar Graph Lines

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Pre-Calculus

Vectors

10th

Last updated 11:31 PM on 2/13/23
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4 Terms

1
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What is the graph shown?
Lines
Lines
2
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r=asec(θ)
perpendicular to polar axis through (a,0) - “x” touches x-axis: reciprocal of cos
perpendicular to polar axis through (a,0) - “x” touches x-axis: reciprocal of cos
3
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r=acsc(θ)
parallel to polar axis through (a,90°)- “y“ touches the y-axis: reciprocal of sin
parallel to polar axis through (a,90°)- “y“ touches the y-axis: reciprocal of sin
4
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(θ) =a
diagonal line through a: always 45°
diagonal line through a: always 45°