Home
Class 11
MATHS
If in DeltaABC, a=4,b=6,c=8 then 2cosA+4...

If in `DeltaABC, a=4,b=6,c=8` then `2cosA+4cosB+cosC=`

Promotional Banner

Similar Questions

Explore conceptually related problems

In DeltaABC,a=4,b=6andc=8 then move that 4cosB+8cosC=(3)/(4) .

In DeltaABC, a=9, b=8 and c=4, then 3cosB-6cosC=?

In DeltaABC, a=9, b=8 and c=4, then 3cosB-6cosC=?

In DeltaABC , a=9,b=8 and c=4, prove that: cosB-2cosC=-4/3

In DeltaABC , a=9,b=8 and c=4, prove that: cosB-2cosC=-4/3

If in a DeltaABC , cos A + 2 cosB+cosC= 2 , then a,b, c are in

If in a DeltaABC , cos A + 2 cosB+cosC= 2 , then a,b, c are in

If in a DeltaABC , cosA+2cosB+cosC=2, then a,b,c are in

In a DeltaABC" if " a:b:c=7:8:9 then show that cosA:cosB:cosC=14:11:6