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In Delta ABC, if tan A, tan B, tan C are...

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

A

H.P.

B

G.P.

C

A.P.

D

None

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
  1. If tan.(A)/(2)=(5)/(6)andtan.(C)/(2)=(2)/(5) then determine the relati...

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

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  3. 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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  4. 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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  5. 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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  6. 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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  7. In Delta ABC, if C=A-B=60^@, then the value of (a-b)/c=

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

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  9. If C=60^(@), " then show that"(a)/(b+c)+(b)/(c+a)=1

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  10. In Delta ABC, if C=60^@ then 1/(a+b)+1/(a+c)=

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  11. In Delta ABC, if C=60^@ then b/(c^2-a^2)+a/(c^2-b^2)=

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  12. In Delta ABC, if a/(b^2-c^2)+c/(b^2-a^2)=0 then B=

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  13. In Delta ABC, if B=90^@ then tan""A/2=

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  14. In Delta ABC, if C=90^@then (a^2+b^2)/(a^2-b^2)sin (A-B)=

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  15. In Delta ABC if 1/(b+c)+1/(c+a)=3/(a+b+c) then C=

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  16. In Delta ABC, if (a+b+c)(a+b-c) =3ab, then C=

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

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  18. In Delta ABC, (cos A)/(c sin B)+(cos B)/( a sin C)+(cos C)/( b sin A)=

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  19. In Delta ABC , if ( sin A)/(4) = (sin B)/(5) = (sin C)/( 6) then th...

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  20. In Delta ABC, if a:b:c=3:4:5, then sin A:sin B:sin C=

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