Select the correct options from the give...

Select the correct options from the given alternatives.If `alpha+beta+r=pi` then the value of `sin^2alpha+sin^2beta-sin^2r` is equal to……….

A

`2 sin alpha cos beta sin n`

B

`2 sin alpha sin beta cos n`

C

`2 sin alpha sin beta sin n`

D

`2 sin alpha`

Text Solution

Verified by Experts

The correct Answer is:

C

Promotional Banner

Promotional Banner

Recommended Questions

Select the correct options from the given alternatives.If alpha+beta+r...
Text Solution
|
यदि sin (alpha -beta ) =1 ,sin (alpha -beta )= 1//2 तब tan (alpha -...
Text Solution
|
prove that,|{:(sin^2alpha,sin alpha cosalpha,cos^2alpha),(sin^2beta,si...
Text Solution
|
Given alpha+beta+gamma=pi then sin^2alpha+sin^2beta-sin^2gamma is equa...
Text Solution
|
If sin (alpha+beta ) =1 , sin (alpha-beta ) =1//2 " then " tan (alpha...
Text Solution
|
প্রমাণ করো যে, abs[[sin^2alpha,sinalphacosalpha,cos^2alpha],[sin^2beta...
Text Solution
|
If sin(alpha + beta) = 1,sin(alpha - beta) = 1/2, then : tan(alpha + 2...
Text Solution
|
Given alpha+beta-gamma=pi, prove that sin^2alpha+sin^2beta-sin^2gamma...
Text Solution
|
If sin (alpha+beta ) =1 , sin (alpha-beta ) =1//2 " then " tan (alpha...
Text Solution
|