In DeltaABC," if "tan""(A)/(2)=(5)/(6) a...

In `DeltaABC," if "tan""(A)/(2)=(5)/(6) andtan""(C)/(2)=(2)/(5),` then show that a, b, c, are in A.P.

GOV. MODEL QUESTION PAPER - 1
SURA PUBLICATION|Exercise Section - IV|11 Videos
GOV. MODEL QUESTION PAPER - 1
SURA PUBLICATION|Exercise Section - II|10 Videos
DIFFERENTIAL CALCUS - DIFFERENTIABILITY AND METHODS OF DIFFERENTIATION
SURA PUBLICATION|Exercise ADDITIONAL PROBLEMS SECTION-D (5 MARKS)|4 Videos
GOVT. MODEL QUESTION PAPER - 2 (2018 - 19)
SURA PUBLICATION|Exercise SECTION - IV|13 Videos

Similar Questions

Explore conceptually related problems

In Delta ABC, if tan (A)/(2) = (5)/(6) and tan (C )/(2) = (2)/(5) , then show that a,b,c, are in A.P.

In a Delta ABC If tan"" (A )/(2 ) = (5 )/(6) , tan ""(C )/( 2) = (2)/(5) then

In Delta ABC if tan(A/2) tan(B/2) + tan(B/2) tan(C/2) = 2/3 then a+c

If a, b, c are in A.P. then show that 3^(a), 3^(b), 3^(c) are in G.P.

If a(1/b + 1/c), b(1/c + 1/a), c(1/a + 1/b) are in A.P., prove that a, b, c, are in A.P.

If a^2, b^2,c^2 are in A.P., then prove that tanA ,tanB ,tanC are in H.P.

In a Delta ABC , If tan A/2, tan B/2, tan C/2 are in A.P. then cos A. cos B, cos C are in

If a/(b + c), b/(c + a), c/(a + b) are in A.P., then

In DeltaABC , if b(b +c) = a^(2) and c(c + a) = b^(2) , then |cos A.cos B. cos C| is______

If A + B + C = 180^(@) , prove that tan ""(A)/(2) tan ""(B)/(2) + tan ""(B)/(2) tan""( C)/(2) +tan""(C)/(2) tan"" (A)/(2) = 1