i need help finding the exact coordinates of the point at 180 degrees on a circle of radius 4 centered at the origin using (a, b) notation.?

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  • 1 month ago
    Favorite Answer

    a = r cosθ

    b = r sinθ

    a = 4 cos(180°)

    a = 4( -1 )

    a = -4

    b = 4 sin(180°)

    b = 4( 0 )

    b = 0

    ( -4, 0 )

    ━━━━

  • Jim
    Lv 7
    1 month ago

    Not sure which point you needed

    Attachment image
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