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The value of (1+sec20^(@)+cot70^(@))(...

The value of `(1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@))` is equal to

A

2

B

`-1`

C

0

D

1

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CHAMPION PUBLICATION-2014 TIER-II PAPER(18)-EXERCISE
  1. The value of tan11^@ tan17^@ tan 79^@ tan73^@ is- tan11^@ tan17^@ ta...

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

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

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

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

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

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

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

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

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

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

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

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  14. The sum of the cubes of two numbers is 793. The sum of the numbers is ...

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  15. A does half as much work as B in three fourth of the times. If togethe...

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  16. Two pipes can fill a cistern in 3 hours and 3 hours 45 minutes respect...

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  17. 2 men and 1 woman can ccomplete a piece of work in 14 days while 4 wom...

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  18. A and B can do a piece of work in 15 days. B and C can do a similar wo...

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  19. A and B can do a piece of work in 45 and 40 days repectively. They beg...

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  20. A, B and Care employed to do a plece of work for Rs. 5,290. A and B to...

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