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Find the value of sin^2 60^@ cot30^@- 2s...

Find the value of `sin^2 60^@ cot30^@- 2sec^2 45^@+ 3cot60^@ tan 45^@-tan^2 60^@`.

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UNITED BOOK HOUSE-SUGGESSTION OR MADHYAMIK PARIKSHA-EXERCISE
  1. Draw a triangle having sides 6cm, 8 cm and 10 cm. Now draw the incircl...

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  2. If cos theta - sin theta = sqrt2 sin theta, then show that cos theta+s...

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  3. If the difference between two acute angles of a right angled triangle ...

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  4. Solve: (x+1) cot^2 (pi/6) = 2cos^2 (pi/3)+ 3/4 sec^2 (pi/4)+ 4 sin^2 (...

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  5. Find the value of sin^2 60^@ cot30^@- 2sec^2 45^@+ 3cot60^@ tan 45^@-t...

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  6. Show that tan 15^@+ tan 75^@ = (sec^2 15^@)/sqrt(sec^2 15^@-1)

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  7. If 5 sin^2 theta+4 cos^2 theta = 9/2 , find the value of tan theta.

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  8. A man standing on a railway bridge 5sqrt3 meters high, observes the en...

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  9. From a point on the roof a house 11 metres height, it is observed that...

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  10. The length of a flag at the roof of three storied building is 3.3 metr...

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  11. Half of the cuboidal water tank with length 2.1m and breadth of 1.5m i...

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  12. An outlet pipe in the roof with length 13m and breadth 11m was closed ...

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  13. If two solid spheres with the radii of 1 cm and 6 cm lengths are melte...

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  14. The slant height of a right circular cone is 7 cm and the total surfac...

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  15. If the mean of the following data is 54 then find the value k.

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  16. Find the median of the following distribution table.

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  17. Find themode of the following frequency distribution.

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  18. Find the mean of the following frequency distribution table.

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  19. Draw an ogive from the following data(less then type):

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  20. Find the mode of the following distribution table.

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