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In Delta ABC, if tan theta =(a+b)/(a-b) ...

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

A

`(a-b) cos""C/2 sec theta`

B

`(a+b) cos""C/2 sec theta`

C

`(a-b) sin""C/2 tan theta`

D

`(a+b) sin""C/2 tan theta`

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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
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  4. If tan.(C-A)/(2)=k cot.(B)/(2) then find k .

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

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

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

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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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  13. In Delta ABC, if tan""A/2=5/6, tan""C/2=2/5 then

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

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

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  16. 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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  17. 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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  18. If the angles A,B,C of a triangle are in A.P and sides a,b,c are in G....

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  19. In Delta ABC,if (a+b)/(1-ab) b,(b+c)/(1-bc) are in A.P then a,1//b,c a...

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  20. In Delta ABC, if C=A-B=60^@, then the value of (a-b)/c=

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