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If angle A = 90^@, then find the value o...

If `angle A = 90^@`, then find the value of `tan [(B + C)/2]`

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AGRAWAL PUBLICATION-(2019) QUESTION PAPER-EXAMPLE
  1. Find the greatest number which on dividing 1251, 9377 and 15628 leaves...

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  2. A,B and C are interior angles of a triangle ABC. Show that sin[(B+C)/2...

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  3. If angle A = 90^@, then find the value of tan [(B + C)/2]

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  4. If tan(A +B) = 1 and tan(A - B) = 1/ sqrt 3, 0^@ < A + B < 90^@, A>B, ...

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  5. In Figure, PQ is a chord of length 8 cm of a circle of radius 5 cm. Th...

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  6. Prove that opposite sides of a quadrilateral circumscribing a circel s...

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  11. If m times the m^(th) term of an Arithmetic Progession is equal to n t...

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  12. The sum of the first three numbers is an Arithmetic Progression is 18....

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  13. Construct a triangle ABC with side BC = 6 cm, AB = 5 cm and angle ABC ...

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  14. In Figure, a decorative block is shown which is made of two solids, a ...

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  15. In Figure, a decorative block is shown which is made of two solids, a ...

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  17. If a line is drawn parallel to one side of a triangle to intersect the...

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  18. Prove that in a right triangle, the square of the hypotenuse is equal ...

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  19. If 1 + sin^2 theta = 3 sin theta cos theta, then prove that tan theta ...

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  20. Change the following distribution to a 'more than type' distribution. ...

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