Correct option is D
Solution:

If in a triangle ABC, sin³A + sin³B + sin³C = 3 sinA sinB sinC, then what is the value of the determinant

are sides of the triangle?
Solution:

for every m>n ?
If in a triangle ABC, sin³A + sin³B + sin³C = 3 sinA sinB sinC, then what is the value of the determinant

are sides of the triangle?