[" 16) ",,,1," a "," b "],[,,,1," c "," a "],[,,,1," b "," c ",],[,,,,,,],[," sin "^(2),,,,+," sin "^(2)" B "+" sin "^(2)" C ",=]

det [[1,1,1sin A, sin B, sin Csin ^ (2) A, sin ^ (2) B, sin ^ (2) C]] =

In a Delta ABC " if " |(1,a,b),(1,c,a),(1,b,c)| =0 , then sin^(2) A + sin^(2) B + sin^(2) C is

In a Delta ABC " if " |(1,a,b),(1,c,a),(1,b,c)| =0 , then sin^(2) A + sin^(2) B + sin^(2) C is

If A+B+C = pi , show that |["sin"^(2)A, "sin A cos A", "cos"^(2)A],["sin"^(2) B, "sin B cos B", "cos"^(2)B],["sin"^(2)C, "sin C cos C", "cos"^(2)C]| =-"sin (A-B)"sin"(B-C)"sin"(C-A)"

In a DeltaABC if |(1,a,b),(1,c,a),(1,b,c)|=0 then Sin^(2)A+Sin^(2)B+Sin^(2)C=

If A+B+C=(pi)/(2) , then prove that sin ^(2) A+ sin ^(2) B + sin ^(2) C=1-2 A sin B sin C .

With the usual notation in the triangle A B C [[ 1 , 1 , 1 ],[ sin A , sin B , sin C ],[ sin ^2 A , sin ^2 B , sin ^3 C ]] =