Question

if (a+b)^2=c^2+ab in a triangle abc and if root 2 sina +cosa=root 3 then the ascending order of the angles a b and c are


pls help​

Answer 1

Answer:

Answer is

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Answer 2

Answer:

+b

2

+c

2

=ac+ab

3

⇒(

2

3

a

−b)

2

+(

2

a

−c)

2

=0

Therefore,

2

3

a

=b and

2

a

=c

⇒a=

3

/2

b

=

1/2

c

⇒

sin

2

π

a

=

sin

3

π

b

=

sin

6

π

c

Therefore, the given triangle is an right angled.