sin(A-B)
sin(A+B)
2
a? – b
If in a triangle ABC,
a+ b2
then the triangle is –
(A) Righ


sin(A-B)
sin(A+B)
2
a? – b
If in a triangle ABC,
a+ b2
then the triangle is –
(A) Right angled or isosceles
(B) Right angled and isosceles
(C) Equilateral
(D) None of these​

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