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In Delta ABC, if c=(a-b) sec theta, then...

In `Delta ABC, if c=(a-b) sec theta,` then `tan theta=`

A

`(2sqrtbc)/(b+c)cos""A/2`

B

`(2sqrtca)/(c+a)cos""B/2`

C

`(2sqrtab)/(a-b)sin""C/2`

D

`(2sqrtbc)/(b-c)sin""A/2`

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
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  2. In Delta ABC, if b=(c+a) cos theta, then sin theta=

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  3. In Delta ABC, if c=(a-b) sec theta, then tan theta=

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  4. In Delta ABC, if c=(a+b) sin theta and cos theta =(ksqrtab)/(a-b), the...

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  5. In Delta ABC, if a(b cos C+ c cos B)=2ka^2, then k =

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  6. In Delta ABC, if tan theta =(a+b)/(a-b) tan""C/2, then c=

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  7. If tan.(C-A)/(2)=k cot.(B)/(2) then find k .

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

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  9. If the area of a triangle satisfies the relation Delta =a^2 -(b-c)^2, ...

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  10. In Delta ABC, if a,b,c are in A.P, then tan""A/2 tan""C/2=

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  11. In Delta ABC, if tan""A/2,tan""B/2, tan""C/2 are in H.P, then a,b,c ar...

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  12. In Delta ABC, if a/c=(sin(A-B))/(sin (B-C)), then a^2,b^2,c^2 are in

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  13. In Delta ABC, if cot""A/2,cot""B/2,cot""C/2 are in A.P. then a,b,c are...

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  14. In Delta ABC, if sin^2""A/2, sin^2""B/2,sin^2""C/2 are in H.P, then a,...

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  15. In Delta ABC, if a cos^2""C/2+c cos^2""A/2=(3b)/2 then a,b,c are in

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  16. In Delta ABC, if tan""A/2=5/6, tan""C/2=2/5 then

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  17. If tan.(A)/(2)=(5)/(6)andtan.(C)/(2)=(2)/(5) then determine the relati...

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  18. In Delta ABC, if 3 tan ""A/2 tan""C/2=1 then a,b,c are in

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  19. In Delta ABC, if tan A, tan B, tan C are in H.P., then a^2,b^2,c^2 are...

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  20. In Delta ABC, if sin A: sin C=sin (A-B): sin (B-C), then a^2,b^2,c^2 a...

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