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In Delta ABC , (sin A(a- b cos C))/( ...

In ` Delta ABC , (sin A(a- b cos C))/( sin C ( c-b cos A)) ` =

A

`-2`

B

` -1`

C

` 0 `

D

` 1`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE EXERCISE
  1. In Delta ABC , if A,B , C are in A.P. The (a+c)/( sqrt(a^(2) -ac + ...

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  2. InDelta ABC , a( b cos C - c cos B) =

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  3. In Delta ABC , (sin A(a- b cos C))/( sin C ( c-b cos A)) =

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  4. If a,b,c are in A.P. Then cos "" ( A-C)/( 2) cosec ""(B)/(2) =

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  5. In Delta ABC , b = sqrt 3+ 1 , c sqrt3-1 and angle A = 60 ^(@) the...

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  6. If C = A - B = 60 ^(@) " then " (a-b)/ (c )=

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  7. In Delta ABC , if tan ""( A)/(2) = t cot ""(( B- C)/( 2)) , " the...

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  8. In Delta ABC, if a = 6, b=3 and cos (A-B) = (4)/(5) " then " ang...

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  9. In Delta ABC , if a= 2b and A = 3B " then " A =

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  10. In Delta ABC ( tan ""(A)/(2) - tan ""(B) /(2)) /( tan ""(A)/(2) +t...

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  11. If a= 3, b=4, c= 5 then sin ""( A)/(2) =

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  12. In DeltaABC , " find " b cos ^(2).(C)/(2)+c cos^(2).(B)/(2)

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  13. (a+b+c)/( a+b+c) =

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  14. If a= 5 , b-=12 , c=13 then tan ""(A)/(2) =

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  15. If a= 3, b =4 , c = 5 then cos ""( A)/(2) =

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  16. In Delta ABC , if a = 5 , b= 6 and c= 7 " then " cos ^(2) C //2 =

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  17. In Delta ABC , if angle A = 60 ^(@) then ( 1+ (a)/(c ) +(b) /...

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  18. Show that cot ""(A)/(2) + cot "" ( B)/(2) + cot "" ( C ) /(2)...

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  19. ((a^(2))/( sin A)+( b^(2))/(sin B) + ( c^(2))/( sin C) ) ( sin ""(A)/...

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  20. In Delta ABC ,(a+b+c) (tan ""(A)/(2) +tan ""(B)/(2) ) tan "" ( C) /...

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