3. 65. r = -2 66. r= sin 0 Cos e 67. r 3 sec 0 68. r = 2 csc 0 69. r = 5 70. r= -3 71. 0 72. 0 = 0 4. oordi- 73. r = 74. r = 1 1 - sin 0 For each rectangular equation, write an equiva equation. 76. у 3 — 75. х 3 4 78. y = > %3D 77. y = -x 80. y %3D 79. x2 = 4y 82. 2x? 81. x² + y = 4 %3D

Q: 7. Solve the eight eighth roots (in polar form) of z = -2- j2/3. %3D

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Q: r = cos(0/7) %D

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Q: Explain why the vertical-line test used to identify functions in rectangular coordinates does not…

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Q: 3. Let (x, y) denote the usual rectangular coordinates. Write the following function f(x, y) in…

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Q: How do we graph a polar equation?

A: To draw the graph of a polar equation, find the symmetry of the given equation. Test the symmetry…

Q: 128. Express the equation (x + y)² = x − y in polar form.

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Q: Perform the indicated operation: 9 [ cos (289°) + i sin (289°) ] * 14 [ cos (197°) + i sin (197°) ]…

A: Given that                                9cos(289°)+i sin(289°)×14cos(197°)+i sin(197°) we can…

Q: Convert 12r=cosec(theta) into a rectangular equation.

A: Converting from Polar Coordinates to Rectangular Coordinates Given the polar coordinate (r,θ),…

Q: Explain how to convert a point from polar to rectangular coordinates. Provide an example with your…

A: Consider A is any point and let the coordinates of point A in the polar form are Ar, θ and its…

Q: Convert the rectangular coordinate to polar form

A: We have to solve

Q: Convert the rectangular equation y^2 = 5y-x^2 to a polar equation.

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