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tan(5x-10^(2))=cot(5y+20^(@)) then val...

`tan(5x-10^(2))=cot(5y+20^(@))` then value of (x+y) is

A

`24^@`

B

`20^@`

C

`15^@`

D

`16^@`

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CHAMPION PUBLICATION-2014 TIER-II PAPER(18)-EXERCISE
  1. In triangle ABC , the bisector of angle BAC intersects BC at D and the...

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  2. If sec theta-cos theta = 3/2 where theta is a positive acute angle. th...

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  3. tan(5x-10^(2))=cot(5y+20^(@)) then value of (x+y) is

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  4. From an aeroplane just over a straight road, the angles of depression ...

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  5. If sin theta +sin^2 theta=1, then the value of cos^12 theta +3cos^10 t...

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  6. The base of a triangle is 12 sqrt3 cm and two angles at the base are 3...

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  7. If a (tan theta+ cot theta )=1, sin theta +cos theta = b,then the rel...

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  8. The value of tan11^@ tan17^@ tan 79^@ tan73^@ is- tan11^@ tan17^@ ta...

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  9. If sin A + sin^2 A = 1, then the value of cos^2A + cos^4 A is यदि ...

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  10. The value of (1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@)) is...

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  11. Find the valve of '(tanA-secA-1)/(tanA+secA+1)'

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  12. If a certain number of two digits is divided by the sum of its digits,...

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  13. The number x = 1.24242424.....can be expressed in the from x=p/q, wher...

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  14. A number when divided by 2736 leaves the remainder 75. If the same num...

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  15. The value of (4 1/7 - 2 1/4)/(3 1/2 + 1 1/7) div 1/(2+1/(2 + 1/(5 - 1/...

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  16. Sum of three fractions is 2(11)/(24). On dividing the largest fraction...

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  17. The unit s digit in the expression 3^43xx6^43xx7^43 is: अभिव्यक्ति ...

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  18. By Interchanging the digits of a two digit number we get a number whic...

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  19. If sqrt(5329)=73, then the value of sqrt(5329)+sqrt(53.29)+sqrt(0.5329...

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  20. If sqrt((1 + 27/169)) = (1 + x/13) then find the value of x.

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