Home
Class 12
MATHS
With usual notion, if in triangle A B C ...

With usual notion, if in triangle `A B C ,` `(b+c)/(11)=(c+a)/(12)=(a+b)/(13),t h e np rov et h a t` `(cosA)/7=(cosB)/(19)=(cosC)/(25)`

Promotional Banner

Similar Questions

Explore conceptually related problems

With usual notion,if in triangle ABC ,(b+c)/(11)=(c+a)/(12)=(a+b)/(13), then prove that (cos A)/(7)=(cos B)/(19)=(cos C)/(25)

With usual notations,if in a triangle ABC(b+c)/(11)=(c+a)/(12)=(a+b)/(13), then prove that: (cos A)/(7)=(cos B)/(19)=(cos C)/(25)

With usual notatins, if in a Delta ABC,(b+c)/(11)=(c+a)/(12) =(a+b)/(13), then prove that (cos A)/(7) =(cos B)/(19) =(cos C)/(25).

With usual notation, if in a DeltaABC(b+c)/(11)=(c+a)/(12)=(a+b)/(13) , then prove that (cosA)/(7)=(cosB)/(19)=(cosC)/(25)

In triangleABC , If (b+c)/(11)=(c+a)/(12)=(a+b)/(13) , then cosC=

With usual notations, if in a triangle ABC (b+c)/(11) = (c+a)/(12) = (a+b)/(13) , then cos A : cos B : cos C is :

If in a triangle ABC , (b+c)/11=(c+a)/12=(a+b)/13 then cosA is equal to

In DeltaABC, (b+c)/(11) = (c+a)/(12)=(a+b)/(13) , prove that: cosA:cosB:cosC=?

In DeltaABC,(cosA)/(a)+(cosB)/(b)+(cosC)/(c) =