09.02 Flashcards
(62 cards)
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Working must include 3 venn diagrams P(A’) then P(B) and resultant P(A’ U B)
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Working must include 3 venn diagrams P(A) then P(B’) and resultant P(A n B’)
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Draw your triangles for exact trigonometric values.
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What is the angle in a semi-circle rule?
* The angle in a semi-circle made with the diameter is a right angle
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What is rule is this?
* The angle in a semi-circle made with the diameter is a right angle
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What is the angle at the centre rule?
* The angle in the center is twice the angle at the circumference
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What rule is this?
* The angle in the center is twice the angle at the circumference
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What is the cyclic quadrilateral rule?
Opposite angles in a cyclic quadrilateral sum to 180°
**Cyclic = all 4 corners of the quadrilateral must be touching the circumference of the circle**
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What rule is this?
Opposite angles in a cyclic quadrilateral sum to 180°
**Cyclic = all 4 corners of the quadrilateral must be touching the circumference of the circle**
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What is a cyclic quadrilateral?
All 4 corners of the quadrilateral (4-sided shape) must be touching the circumference of the circle
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What is the angles in
the same segment
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* Two angles in the same segment are equal
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What rule is this?
* Two angles in the same segment are equal
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What is the perpendicular tangent rule?
* A tangent to a circle is perpendicular (meets at 90 degrees) to the radius
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What rule is this?
* A tangent to a circle is perpendicular (meets at 90 degrees) to the radius
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What is the alternate segment rule?
* The angle between a tangent and a chord is equal to the angle made by the chord in the opposite segment of the circle
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What rule is this?
* The angle between a tangent and a chord is equal to the angle made by the chord in the opposite segment of the circle
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What is the two tangent rule?
* Two tangents drawn from one point are equal in length
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What rule is this?
* Two tangents drawn from one point are equal in length
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What is the chord of a circle rule?
* The perpendicular bisectorof a chord goes through the center of a circle
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What rule is this?
* The perpendicular bisectorof a chord goes through the center of a circle
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Draw the graph y = sin x
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Draw the graph y = cos x
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