Home
Class 11
MATHS
If A+B+C=180^(@), then Sigmatan.(A)/(2)t...

If `A+B+C=180^(@)`, then `Sigmatan.(A)/(2)tan.(B)/(2)` is

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In DeltaABC,tan.(A)/(2)+tan.(B)/(2) =

If A+B+C=180^@ then sumtan(A/2)tan(B/2)=

In DeltaABC,1-tan.(A)/(2)tan.(B)/(2)=

In DeltaABC,cot.(A+B)/(2).tan.(A-B)/(2) =

If A+B + C =180^(@), then tan A + tan B + tan C is equal to ................. A) tan A tan B tan C B) 2 tan A tan B tan C C) -tan A tan B tan C D) 1-4 tan A tan B tan C

If A+B+C=180^(@) , then the value of cot(A/2)+cot(B/2)+cot(C/2) will be .............. A) 2 cot ""A/2 cot ""B/2 cot""C/2 B) 4 cot ""A/2 cot ""B/2 cot ""C/2 C) cot ""A/2 cot ""B/2 cot ""C/2 D) 8 cot ""A/2 cot ""B/2 cot ""C/2

Given that cos ((alpha -beta)/(2)) = 2 cos ((alpha+ beta)/(2)), then tan ""(alpha)/(2) tan ""(beta)/(2) is equal to ...........A) 1/2 B) 1/3 C) 1/4 D) 1/8

If A+B+C=180^@ , then tan A+tan B+tan C is equal to

In triangleABC , if angleA=90^(@)", then "tan^(-1)((c)/(a+b))+tan^(-1)((b)/(a+c))=

If tan.(B-C)/(2)=xcot.(A)/(2) , then x =