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In DeltaABC, a=5,b=4,A=(pi/2)+B, thenC...

In `DeltaABC, a=5,b=4,A=(pi/2)+B,` thenC

A

cannot be evaluated

B

`tan^-1(9/40)`

C

`tan^-1(1/40)`

D

`2tan^-1(1/9)`

Text Solution

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The correct Answer is:
B
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PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
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  2. In DeltaABC,A=15^@,b =10sqrt2cm the value of 'a' for which these will ...

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  3. In DeltaABC, a=5,b=4,A=(pi/2)+B, thenC

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  4. If tanA, tanB are the roots of the quadratic abx^2-c^2x+ab=0, where a,...

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  5. There exist a triangle ABC satisfying

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  6. In a DeltaABC,tanClt 0. Then

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  7. If the since of the angles A and B of a triangle ABCsatisfy the equati...

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  8. In a DeltaABC tanA and tanB satisfy the equation sqrt3x^2-4x+sqrt3lt0...

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  9. For a triangle ABC, which of the following is true?

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  10. ABCD be a cycle quadrilateral inscribed in a circle of radius R. T...

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  11. A quadrilateral ABCD is such that one circle can be inscribed in it an...

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  12. ABCD be a cyclic quadrilateral inscribed in a circle of radius R. In p...

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  13. When any two sides and one of the opposite acute are given, under cert...

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  14. When any two sides and one of the opposite acute are given, under cert...

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  15. When any two sides and one of the opposite acute are given, under cert...

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  16. Match List - I with List-II

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  17. Match List - I with List-II

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  18. In a triangle ABC, right angled at A. The radius of the inscribed circ...

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  19. If in a DeltaABC, BC =5, CA=4, AB=3 and D, E are the point on BC such ...

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  20. Three circle touch one another externally. The tangents at their point...

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