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If the sum of two angles be 135^@ and th...

If the sum of two angles be `135^@` and the difference of them be `pi/12`, then determine the sexagesimal and circular measures of the two angles.

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`75^@ , 60^@ (5pi)/12 "and " ip/3`
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CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. In DeltaABC, /A = 90^@ If CD be a median, then prove that BC^2 = CD^2...

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  2. Construct a circle of radius 2*8 cm. Take a point at a distance of 8 ...

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  3. If the sum of two angles be 135^@ and the difference of them be pi/12...

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  4. If x sin 60^@ cos^@ 30^@ = (tan^2 45^@ sec 60^@)/("cosec 60"^@) then ...

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  5. If tan50^(@) = p/q, then find the value of cos40^@.

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  11. Find the value of(sqrt2+sqrt3)div(sqrt2-sqrt3).

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  12. Find the value of(sqrt5+2)div(sqrt3-1).

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  13. Find the value of 4div(3-sqrt2).

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  14. If a principal becomes dublein 10 years. Then the rate of simple inter...

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  15. The mean - proportional of 16 and 25 is

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  16. O is the circumcentre of Delta ABC and if /OAB = 50^@, then the value ...

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  17. pi/6 redian =

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  18. If the ratio the volumes of two solid sphres is 1 : 8, the ratio of th...

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  19. If the average of the numbers 6, 7, x, 8, y, 14, be 9, then

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  20. The quantity of compound and simple interest of a certain principal at...

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