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If cosec A = 13/12 then find the value o...

If `cosec A = 13/12` then find the value of `(2 sin A - 3 cos A)/(4 sin A - 9 cos A)`

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AGRAWAL PUBLICATION-SAMPEL PAPER 13-EXERCISE
  1. In a triangleABC, BD bot CA and CE bot BA. Prove that triangleABD-tria...

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  2. Construct a line segment of length 8 cm. Divide it internally in the r...

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  3. If cosec A = 13/12 then find the value of (2 sin A - 3 cos A)/(4 sin A...

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  4. If the angle of elevation of the top of a tower from a point distant 1...

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  5. If the 6^(th) term and the 11^(th) term of an A.P. are 12 and 22 respe...

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  6. Solve for x and y: 3x-2y = 4 6x-4 = 8

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  7. How many tangents can be drawn to a circle from a point lying inside t...

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  8. Find the degree of the polynomial: (x+1)(x^2-x+x^4-1).

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  9. If r = 3 is a root of quadratic equation kr^2-kr-3=0, then find the va...

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  10. For a rhombus ABCD, prove that 4AB^2= AC^2+BD^2.

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  11. Two different dice are thrown together. Find that the probability of g...

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  12. A bag contains 5 red, 8 green and 7 white balls. One ball is drawn at ...

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  13. Draw a factor tree for the number 546.

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  14. The angles of a triangle are in A.P. the least being half the greatest...

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  15. What number should be added to the polynomial x^2-5x+4 so that 3 is th...

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