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In DeltaABC, let a=5, b=4 and cos (A-B=(...

In `DeltaABC,` let `a=5, b=4 and cos (A-B=(31)/(32)),` then which of the following statement (s) is (are) correct ?
[Note All symbols used have usuall meaning in a triangle]

A

6

B

7

C

9

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-SOLUTIONS OF TRIANGLES -Exercise
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  6. If a=2, b=3, c=5 " in "DeltaABC, then C=

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  7. In DeltaABC, if the sides are 7, 4sqrt(3) and sqrt(13) cm, prove tha...

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  9. If A=30^0, a=7,a n db=8 in A B C , then find the number of triangles ...

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  10. If a DeltaABC, b=2, C=60^(@), c=sqrt(6), then a =

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  11. In DeltaABC, let a=5, b=4 and cos (A-B=(31)/(32)), then which of the f...

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  12. In a DeltaABC, If A=30^@,b=2,c=sqrt3+1, then (C-B)/2 is

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  13. In a DeltaABC if a = 2, b=sqrt(6),c=sqrt(3)+1, then cos A=

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  14. In a DeltaABC, if A=45^(@), b=sqrt(6), a=2, then B=

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  15. In a triangle, the lengths of the two larger sides are 10 and 9, res...

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  18. In the ambiguous case, if a, b and A are given and c(1), c(2) are the ...

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  19. In the ambiguous case, if a, b and A are given and c(1), c(2) are the ...

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