Home
Class 12
MATHS
In DeltaABC, prove that "cosec"(A)/(2)+"...

In `DeltaABC`, prove that `"cosec"(A)/(2)+"cosec"(B)/(2)+"cosec"(C)/(2) ge 6` .

Promotional Banner

Similar Questions

Explore conceptually related problems

In hat harr ABC, prove that csc(A)/(2)+csc(B)/(2)+csc(C)/(2)>=6

Prove that sec^(2)A+"cosec"^(2)A=sec^(2)A"cosec"^(2)A .

For triangle ABC prove that sec((A+B)/2)="cosec"C/2

In DeltaABC , 1/a,1/b,1/c are in A.P. prove that "cosec"^(2)A/2, "cosec"^(2)B/2, "cosec"C/2 are also in A.P.

In DeltaABC , 1/a,1/b,1/c are in A.P. prove that "cosec"^(2)A/2, "cosec"^(2)B/2, "cosec"C/2 are also in A.P.

In a triangle ABC, prove that (b + c)/(a) le cosec.(A)/(2)

In a triangle ABC, prove that (b + c)/(a) le cosec.(A)/(2)

In a triangle ABC, prove that (b + c)/(a) le cosec.(A)/(2)

In a triangle ABC, prove that (b + c)/(a) le cosec.(A)/(2)

Prove that, "cosec" (2pi)/7 + "cosec" ( 3pi)/7 = "cosec" pi/7