Скачать или смотреть Polar Graphs Test Review

Get ready for your polar graphs test with this comprehensive review from Mario's Math Tutoring! We'll tackle 31 questions covering everything from plotting polar coordinates and converting between polar and rectangular forms, to rewriting equations and graphing various polar curves like circles, lines, rose curves, and limaçons. This video is packed with essential formulas and step-by-step explanations to help you ace your exam!

What you'll learn in this video:

0:00 - Polar Graphs Test Review Introduction
0:45 - Plotting Polar Coordinates (r, θ)
1:00 - Plotting (4, -π/3)
1:50 - Plotting (3, 5π/6)
2:15 - Plotting (-5, π)
3:00 - Plotting (-6, -3π/4)
3:30 - Plotting (1, π/2)
3:50 - Plotting (-7, π/2)
4:30 - Converting Polar to Rectangular Coordinates (x, y)
5:10 - Formulas: x = r cos θ, y = r sin θ
5:50 - Converting (2, 3π/4)
7:30 - Converting (-5, -π/6)
9:00 - Converting Rectangular to Polar Coordinates (r, θ)
9:20 - Formulas: r² = x² + y², tan θ = y/x
9:40 - Converting (6, 6√3)
12:00 - Converting (-4, 4)
14:00 - Converting (2√3, -2)
15:40 - Rewriting Polar Equations in Rectangular Form
16:00 - Converting r sin θ = -2
16:50 - Converting r = 1
17:50 - Converting r = 3 sec θ
19:00 - Converting r = 2 cos θ
20:40 - Rewriting Rectangular Equations in Polar Form
21:00 - Converting x = 8
22:00 - Converting x² + y² = 4
22:50 - Converting y = 20
23:50 - Graphing Polar Equations
24:00 - Graphing θ = 5π/6 (Line)
25:00 - Graphing r = 5 (Circle)
25:50 - Graphing r = -3 cos θ (Circle)
30:40 - Graphing r = 4 cos 2θ (Rose Curve - 4 Petals)
36:00 - Graphing r = 3 + 3 sin θ (Cardioid Limaçon)
41:00 - Graphing r = 2 - 3 cos θ (Limaçon with Inner Loop)
45:40 - Writing Polar Equations from Graphs (Rectangular & Polar)
46:00 - Writing equations for a diagonal line (θ = 3π/4, y = -x)
48:00 - Writing equations for a horizontal line (y = 2, r = 2 csc θ)
49:00 - Writing equations for a circle (x² + (y+3)² = 9, r = -6 sin θ)
52:20 - Writing equations for a rose curve (r = 3 cos 3θ)
53:00 - Finding the Distance Between Two Polar Points
53:30 - Distance Formula (Law of Cosines based)
54:00 - Calculating distance between (-2, π/6) and (4, -π/3)
57:00 - Additional Rectangular to Polar Conversions
57:30 - Converting y = √3x
59:00 - Converting x² + (y-5)² = 25
This review is ideal for Precalculus students preparing for a test on polar coordinates and graphs. Good luck with your exam!

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