Home
Class 11
MATHS
किसी Delta ABC में सिध्द कीजिए कि- (a...

किसी `Delta ABC` में सिध्द कीजिए कि-
`(a+b+c) (tan.(A)/(2)+ tan .(B)/(2)) =2 cot.(C)/(2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

In Delta ABC ,(a+b+c) (tan ""(A)/(2) +tan ""(B)/(2) ) tan "" ( C) /(2) =

Show that in any triangle ABC, (a+b+c) (tan (A/2) + tan (B/2)) = 2c cot (C/2)

Show that in any triangle ABC,(a+b+c)(tan((A)/(2))+tan((B)/(2)))=2c cot((C)/(2))

In a Delta ABC, prove that tan((A+B)/(2))=cot((c)/(2))

In any Delta ABC , prove that : ((a-b)/c) = (tan (A/2) - tan (B/2))/(tan (A/2) + tan (B/2)

In any Delta ABC, prove that: (a+b-c)/(a+b+c)=tan((A)/(2))tan((B)/(2))

In a Delta ABC prove that (tan(A+B))/(2)=(cot C)/(2)

In any Delta ABC, prove that : ((a-b)/(c))=(tan((A)/(2))-tan((B)/(2)))/(tan((A)/(2))+tan((B)/(2)))