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Ben Rooney

  • Sin Cos Tan curves

    Activity

    Ben Rooney

  • Area and perimeter investigation

    Activity

    Ben Rooney

  • Effect of varying a&b in a.sin(bx)

    Activity

    Ben Rooney

  • Segment area

    Activity

    Ben Rooney

  • The angle subtended from a diameter is 90

    Activity

    Ben Rooney

  • Proof of Euclid Book III, Prop. 20

    Activity

    Ben Rooney

  • Angles subtended from a common chord are equal

    Activity

    Ben Rooney

  • Proof that the opposite angles in a cyclic quadrilateral sum to 180°

    Activity

    Ben Rooney