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17 October, 02:10

Convert x - 5 = 0 to a polar equation

+4
Answers (1)
  1. 17 October, 02:25
    0
    (

    5

    ,

    π

    )

    Step-by-step explanation:

    -

    5

    =

    r

    cos

    θ

    88

    [

    1

    ]

    0

    =

    r

    sin

    θ

    8888

    [

    2

    ]

    Squaring [1] and [2]:

    25

    =

    r

    2

    cos

    2

    θ

    0

    =

    r

    2

    sin

    2

    θ

    Adding [1] and [2]:

    25

    =

    r

    2

    cos

    2

    θ

    +

    r

    2

    sin

    2

    θ

    Factor:

    25

    =

    r

    2

    (

    cos

    2

    θ

    +

    sin

    2

    θ

    )

    25

    =

    r

    2



    r

    =

    ±

    5

    (use

    r

    =

    5

    )
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