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What is the value of sina . ....

What is the value of `sina` .
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MBD-Circles-Exercise
  1. Find the locus of the middle points of equal chords of a circle.

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  2. Find the locus of the middle points of the parallel chords of a circle...

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  3. What is the value of sina . .

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  4. Prove that a diameter of a circle which bisects a chord of the circle,...

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  5. Factorise the Following x^2+8x+16

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  6. In a circle of radius 5 cm, AB and AC are two chords, such that AB = A...

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  7. In a circle of radius 20 cm, AB and AC are two chords such that AB = A...

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  8. If the angles subtended by the chords of a circle at the centre of the...

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  9. Factorise the following x^2-7x+12

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  10. Prove that angle in a semi-circle is right angle.

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  11. If a line segment joining two points subtends equal angles at two othe...

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  12. A chord of a circle is equal to the radius of the circle. Find the ang...

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  13. In fig. , A, B, C, D are four points on a circle. AC and BD intersect...

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  14. ABCD is a cyclic quadrilateral whose diagonals intersect at a point E....

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  15. If diagonals of a cyclic quadrilateral are diameters of the circle thr...

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  16. If the non-parallel sides of a trapezium are equal, prove that it is c...

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  17. Identify (a),(b) and (c)

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  18. If circles are drawn taking two sides of a triangle as diameters, prov...

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  19. ABC and ADC are two right triangles with common hypotenuse AC. Prove t...

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  20. Prove that a cyclic parallelogram is a rectangle.

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