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Show that sqrt ((1+sin A ) /( 1-sin A))...

Show that ` sqrt ((1+sin A ) /( 1-sin A))= sec A + tan A `

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OSWAAL PUBLICATION-SAMPLE PAPER 6-EXERCISE
  1. Find the equation of the passing through (2, 3) and cutting off equal ...

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  2. If f(x) =x^(2) +1, g(x) = x^(2) - 5x+6, find f+g, f-g, f/g.

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  3. Show that sqrt ((1+sin A ) /( 1-sin A))= sec A + tan A

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  4. Let U={1,2,3,4,5,6,7,8,9},A={1,2,3,4},B={2,4,6,8} and C={3,4,5,6}: Fin...

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  5. Name the octants in which the following points lie:(i)(3,4,5)

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  6. Name the octants in which the following points lie:(ii)(5,2,-1)

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  7. Name the octants in which the following points lie:(iii)(-2,3,7)

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  8. Name the octants in which the following points lie:(iv)(-5,-7,-9)

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  9. The coefficient of variation for a distribution is 60 and standard dev...

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  10. Solve (3(x-2))/(5) le (5(2-x))/(3)

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  11. If X and Y are two sets such that X has 40 elements, X ∪ Y has 60 elem...

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  12. Evaluate :underset (x rarr 0)lim (3x-tan 4x)/(x+sin x).

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  13. Find the acute angle between :- 5x+6y-1=0, " "x-11y+8=0

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  14. Write the converse and contrapositive of the statement " If x ...

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  15. If sinA=4/5,cosB=(-12)/13 and (pi)/2ltA,Bltpi , Find sin(A-B)

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  16. In a survey it was found that 21 people liked product A, 26 liked prod...

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  17. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

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  18. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

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  19. (i) If x-iy = sqrt((a-ib)/(c-id)) prove that (x^(2) + y^(2)) =(a^(2) +...

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  20. If the sum of first p terms of an A.P is equal to the sum of the first...

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