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If cot A +(1)/( cot A) =2 , then cot...

If `cot A +(1)/( cot A) =2` , then `cot^2 A + (1)/( cot^2 A)` is equal to

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AGRAWAL PUBLICATION-SAMPLE PAPER 5-EXERCISE
  1. If Delta ABC ~ Delta DEF, such that angle A = 47 ^(@) and angle E = 83...

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  2. Find the zeros of 2x^(2) - x - 45.

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  3. If cot A +(1)/( cot A) =2 , then cot^2 A + (1)/( cot^2 A) is eq...

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  4. If sin A = (1)/(2) then what is the value of (cot A -cos A)?

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  5. From a group of 4 girls and 6 boys, a child is selected. Find the prob...

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  6. What is the perimeter of a quadrant of a circle of radius 'r' ?

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  7. The total surface area of a solid hemisphere of radius r is

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  8. Tow coins are tossed simultaneously. Find the probability of getting a...

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  9. A cubic polynomial can have at most how many zeros?

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  10. Write the nature of roots of the quadratic equation a x^(2) - 3bx - 4a...

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  11. State the AA criterion of similarity of triangles.

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  12. If in DeltaABC,angleB=90^(@),AB=6sqrt3 and AC=12cm, find BC.

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  13. From a point Q, the length of the tangent to a circle is 12 cm and dis...

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  14. Satellite TV manufacturing businesses tend to have what economists cal...

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  15. Satellite TV manufacturing businesses tend to have what economists cal...

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  16. Satellite TV manufacturing businesses tend to have what economists cal...

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  17. Satellite TV manufacturing businesses tend to have what economists cal...

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  18. Satellite TV manufacturing businesses tend to have what economists cal...

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  19. Eshan purchased a new building for her business. Being in the prime lo...

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  20. Eshan purchased a new building for her business. Being in the prime lo...

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