integration of sinx/sin(x-A) = Bx + C log sin(x-A) + D
then values of B and C are
1) (-sinA , cosA)
2) ( cos A, sinA)
3) ( sinA , cosA)
4) (-cos A, sinA)
integration of sinx/sin(x-A) = Bx + C log sin(x-A) + D
then values of B and C are
1) (-sinA , cosA)
2) ( cos A, sinA)
3) ( sinA , cosA)
4) (-cos A, sinA)